China Zhejiang Hanlong New Material Co., Ltd. Company News

Blog Professional evaluation data interpretation: flame retardant heavy-duty easy to clean smooth PVC coated waterproof cloth Professional evaluation data shows that the material has a tear strength of up to 550N/500N (warp/weft) (DIN 53363), a tensile strength of 4000/3500N/5cm, and a peel strength of ≥ 100N/5cm. The temperature resistance range covers -40 ℃ to+70 ℃, and the strength retention rate meets the standard after 3000 hours of QUV aging test. Flame retardant performance certified by EN 13501 B-S2, d0 and NFPA 701, self extinguishing upon ignition. The smooth self-cleaning coating makes stains easy to wipe, and the waterproof level has passed the hydrostatic pressure test, making it suitable for high-frequency use scenarios such as tents, sports mats, and industrial coverings. Fire retardant heavy-duty easy to clean smooth PVC coated waterproof cloth selection guide 1. Match weight and thickness to use strengthSelect the weight specification based on the application scenario. It is recommended to use 550-680g/㎡ (about 0.55mm) for conventional purposes such as outdoor tents, and 750-900g/㎡ or more for high-frequency use scenarios such as sunshades and heavy coverings. Products below 450g/㎡ have weak tear resistance and are not suitable for heavy-duty scenarios.2. Mechanical strength and peel performanceVerify the 1000D × 1000D high-density polyester base fabric, with a tensile strength of ≥ 2500N/5cm and a tear strength of ≥ 300N. The peel strength should be ≥ 100N/5cm to ensure that the coating does not separate during repeated bending. Can be verified through DIN 53354/DIN 53363 test reports.3. Flame retardant and weather resistant certificationPersonnel intensive areas must pass EN 13501 Class B or NFPA 701 flame retardant certification and self extinguish upon leaving the fire. Confirm that the temperature resistance range covers -30 ℃ to+70 ℃, and verify the UV aging test report (≥ 1000 hours). Acrylic or PVDF surface treatment is recommended for smooth coating to enhance self-cleaning performance. Q: What is the flame retardant effect of this heavy-duty flame-retardant PVC cloth used on construction fences? Will Mars catch fire if it splashes onto it?A: I have actually experienced it. On the construction site, welding sparks splashed onto the fabric several times, leaving only a slight burn mark without burning through or spreading. The flame retardant rating has indeed passed the EN 13501 B-S2, d0, and NFPA 701 standards, ensuring safety.Q: Is the glossy coating easy to maintain? Can it be wiped off with mud and oil stains?A: Very easy to manage. The mud will fall off as soon as it dries, and the engine oil will be cleaned with a damp cloth. The smooth self-cleaning coating makes stains less likely to adhere, making daily maintenance much easier.Q: Will the fabric become brittle or leak water after continuous exposure to sunlight and rain?A: After more than two years of use, it is still flexible and has not hardened or become brittle. Waterproof is still reliable, and no water leaks under rainstorm. The 3000 hour QUV aging test claimed by the manufacturer seems to be valid, as ordinary tarpaulins have long been scrapped. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Professional Evaluation Data Interpretation: Heavy-duty UV-resistant, waterproof, and tear-resistant PVC-coated mesh fabric This product utilizes a 1000D high-strength polyester base fabric combined with a double-sided PVC coating process, integrating UV resistance, waterproofing, and tear resistance, specifically designed for outdoor applications such as sunshades and sports bags. Professional data shows its tear strength reaches 370/320N (DIN 53363) in warp/weft directions, with a tensile strength of 2250/2600N/5cm, capable of withstanding frequent use and wind pressure loads. After over 1000 hours of UV aging tests (ISO 4892-2), the tensile strength retention rate exceeds 85%, with a temperature resistance range of -30°C to +70°C (DIN 53372), ensuring no brittleness in outdoor conditions year-round. Optional NFPA 701 flame retardant and mildew-resistant treatments are available, providing long-lasting protection for various scenarios. Heavy duty UV resistant, waterproof, tear resistant PVC coated mesh fabric selection guide 1. Application scenarios for matching weight and thicknessSelect specifications based on usage needs: for conventional outdoor applications such as sunshades and sports bags, it is recommended to use 550-650g/㎡ to balance strength and flexibility. Heavy duty scenarios that require high-frequency use can choose 900gsm or above. Products below 450g/㎡ have weak tear resistance.2. Core mechanical performance verificationRequire 1000D × 1000D high-density polyester base fabric, with a tensile strength of ≥ 2500N/5cm and a tear strength of ≥ 300N. A peel strength of ≥ 90N/5cm is required to ensure that the coating does not separate.3. UV resistance and weather resistance verificationVerify QUV aging test report (ASTM G154) for over 1000 hours, requiring a tensile strength retention rate of ≥ 85% after aging. Confirm that the temperature resistance range covers -30 ℃ to+70 ℃, and there are no cracks when bending at -25 ℃. Q: Is the bottom of this 1000D heavy-duty PVC fabric outdoor sports bag wear-resistant? Will it wear out in a few days?A: It is indeed wear-resistant. Several equipment bags made of this fabric, containing mountaineering equipment and tools, are often dragged back and forth on rocky ground. I have been using it for more than half a year, and there are only some scratches on the surface of the bottom, without any wear or tear. I went to the warehouse to check the scraps and found that there is indeed something in the double-layer thick PVC coating, which is much thicker than ordinary coated cloth.Q: What is the anti UV effect? Will it become brittle after being exposed to direct sunlight for a summer?A: This fabric has been used as a sunshade for two summers, and the color has not faded much. The hand feel is still flexible, and there has been no hardening or brittleness. The 1000 hour aging test data provided by the manufacturer is indeed reliable. I used that cheap product before, but after just one quarter of sun drying, it became brittle and flaky.Q: Will the pattern coating peel off after prolonged use? Is the waterproof performance reliable?A: The printed coating is quite strong. I have brushed it several times and the pattern is still there without peeling or residue. The waterproof performance is currently good, but it slips away when light rain falls on the fabric. As a sunshade, no water seepage was found, and the inside remained dry. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Professional evaluation data interpretation: plain PVC coated swimming pool waterproof cloth This product is specially developed for swimming pool liners, using high-strength 1000D polyester base fabric and double-sided PVC coating composite process. According to the evaluation of EN 15836 European standard and GB/T 28939 national standard, its unit area mass is about 1500-2000g/㎡, and its enhanced tear strength in the warp/weft direction can reach 765/757N (DIN 53363), with high puncture resistance. The temperature resistance range of the material is -30 ℃ to+70 ℃ (DIN 53372), and after 6000 hours of xenon lamp artificial aging test, the color fastness to light is ≥ level 3. Its anti slip performance has been tested by DIN-EN 16165, and the anti slip angle for barefoot walking is ≥ 24 °, ensuring walking safety. Plain PVC coated swimming pool cloth selection guide 1. Match the weight and thickness of the tank body typeChoose the appropriate weight specification based on the type of swimming pool:Above ground swimming pool/residential use: Recommended 1200-1600g/㎡ (approximately 0.9-1.2mm), tear strength ≥ 750NUnderground swimming pool/commercial use: Recommended 1875-2500g/㎡ (1.5-2.0mm), tear strength ≥ 1000N, in compliance with EN 15836 standardProducts below 1000g/㎡ have weak puncture resistance and are prone to damage under long-term water pressure.2. Core mechanical performance verificationIt is necessary to verify that the tensile strength in the warp/weft direction is ≥ 1700/1400N/5cm (ISO 1421), the tear strength is ≥ 400N (DIN 53363), and the peel strength is ≥ 100N/5cm (DIN 53357). These data ensure that the liner does not tear or delaminate during long-term immersion and pool bottom friction.3. Weather resistance and safety standardsConfirm the temperature resistance range of -30 ℃ to+70 ℃, pass the 6000 hour xenon lamp artificial aging test (EN ISO 4892-2), and achieve a gray level of ≥ 3. Public places must pass DIN 4102 B1 flame retardant certification. Antibacterial and anti mold treatment complies with EN ISO 846 standard.4. Anti slip and health safetyThe bottom material of the swimming pool should ensure safe walking. Choose anti-skid level B/C indoors (barefoot walking anti-skid angle 18-24 °), and ≥ 24 ° outdoors (level C) to ensure sufficient friction even when the ground is wet and slippery. Compliant with EN 71-3 children's toy safety standards and ROHS environmental certification, ensuring no heavy metal precipitation. Before bulk procurement, sample the fabric and test its tear resistance and waterproof performance. Q: How long has this plain PVC pool cloth been used? Will there be leakage or delamination at the seams?Answer: It has been fully operated for two swimming seasons since installation, and the padding is still flat and snug after draining, without peeling or delamination. The third-party testing report shows that its peel strength is greater than 112N/5cm. No wonder the weld bead is stronger than the base cloth, with a permeability resistance of 0.3MPa and no leakage for 3 hours, which can withstand verification.Q: What is the tear resistance and weather resistance of the 1500g/㎡ thickened version? Is there a problem with long-term use?Answer: The bottom of the pool repeatedly rubs against the brush and suction head, leaving only slight scratches on the surface. Its longitudinal tear strength is 461N, latitudinal strength is 311N, and its puncture resistance is solid. After two summers of sun exposure, the color remained basically unchanged, with a light fastness of at least 6 levels for 1000 hours. The temperature range of -30 ℃ to+70 ℃ also adapted to the temperature changes during the winter shutdown period.Q: Is the bottom of the pool slippery? Is daily maintenance convenient?Answer: The anti slip performance is reassuring. The wet friction coefficient of the ethylene base surface with anti slip texture can reach 0.66, ensuring safety. The whole summer was not thoroughly cleaned, and there was no slippery biofilm. Its anti mold and antibacterial treatment effectively reduced maintenance frequency. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Professional evaluation data interpretation: Double pole PVC fence privacy screen This product is specifically designed for privacy protection of metal fences (double pole/double wire mesh), using 100% PVC material extruded and formed, combined with a double pole structure to form a stable wind resistant system. Professional product data shows that the weight range is 450-650g/㎡, with a thickness of 0.7-1.2mm. The material has a temperature resistance range of -30 ℃ to+70 ℃ and has passed the ISO4892 standard UV aging test to ensure long-term outdoor colorfastness and non brittleness. Excellent tear resistance and 100% opacity achieve complete privacy shielding. Flame retardant performance can be selected as B1 level (DIN 4102) or NFPA 701 certification. Equipped with ABS/stainless steel buckles, tool free installation, suitable for the quick insertion needs of double wire mesh fences. Double pole PVC fence privacy screen (including buckle accessories) purchase guide 1. Weight and strength match the usage environmentSelect the weight specification based on the usage scenario:Ordinary Garden/Balcony: Choose 450-500g/㎡, balance privacy and cost-effectivenessStrong wind/high privacy requirements: Choose 630-650g/㎡ for better tear strength and stronger wind resistanceProducts with a weight below 400g/㎡ are prone to deformation and damage, while those with a weight above 700g/㎡ will increase installation difficulty.2. Double pole structure and wind resistance verificationIt is necessary to adopt a double pole through fixed design, which can increase wind resistance by more than 50% compared to a single pole fixed design. During installation, it is necessary to confirm the stability of the foundation. Some fence manufacturers suggest conducting additional assessments of wind loads and strengthening the fixation in long-term strong wind environments.3. Core indicators of weather resistance and privacyRequire temperature resistance range of -30 ℃ to+70 ℃ (DIN 53372), pass ISO 4892 UV aging test to ensure long-term sun exposure without fading or brittleness. 100% opacity, achieving complete privacy masking.4. Accessories and installation convenienceThe matching buckle should be made of ABS/stainless steel material, with a free quantity of 20-30 pieces per roll, and fixed with a spacing of ≤ 1.5 meters. Some suppliers provide 3D installation videos/manuals, supporting DIY tool free installation. Before bulk procurement, the flexibility and buckle firmness of the sampling strip were tested. Q: Is double pole fixation really more reliable than single pole fixation? How is the actual measurement during typhoon days?A: The performance is indeed more stable. During the typhoon season, there were several strong gusts of wind, but the screen strips did not shift or overturn. Compared to the neighbor's single pole fixed products of the same period, which have been blown upside down, this is the advantage of double pole penetration and fixation, and the wind resistance has been improved more than just a little bit.Q: Is the buckle prone to aging and breaking? Is installation convenient?A: The buckle material is solid. The matching ABS buckle has been used for more than half a year without any brittle fracture, and it is firmly fixed. Installation does indeed require no tools. Simply insert the PVC strip into the mesh of the fence and snap it in once. One person can finish a fence in half a day.Q: Will the color fade after long-term exposure to sunlight? Will the material become brittle?A: The weather resistance is good. It has been more than two years of outdoor sun and rain exposure, but the dark green color is still relatively bright without significant fading. Pressing it with your hand still feels flexible and elastic, without becoming brittle. Its UV resistant treatment does not seem hollow, and it is much more durable than ordinary cheap screen strips. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Professional evaluation data interpretation: PVC knife scraping coating film materials for building structures This product adopts a knife scraping coating process, in which liquid PVC slurry is coated with high-strength polyester base fabric through multiple passes of scraping (vertical coating, secondary coating, tertiary coating). Professional evaluation data shows that its tensile strength in the warp/weft direction can reach 2500-3500N/5cm or more, and its tear strength is ≥ 400N, ensuring the mechanical stability of large-span building structures. Peel strength ≥ 80N/5cm (DIN 53357), ensuring that the coating does not delaminate under high-frequency wind pressure loads. The material has a temperature resistance range of -30 ℃ to+70 ℃, a light fastness of ≥ 6 levels, and a strength retention rate of>85% after 1500-2500 hours of artificial accelerated aging testing. By obtaining EN 13501 B1 level or NFPA 701 flame retardant certification, we provide safe and reliable membrane structure solutions for permanent buildings such as sports venues and exhibition centers. Guidelines for selecting PVC knife coated fabrics for building membrane structures 1. Selection of strength grade and base fabric specificationsMatch the corresponding strength grade based on the building span and design load. For large sports venues, exhibition centers, and other projects, it is recommended to choose high-strength (V-grade) membrane materials - the tensile strength should be ≥ 8000N/5cm or more; Commercial sunshades and other light load scenarios can be selected at levels III-IV. High strength base fabric should meet the requirement of uniform warp/weft density, and it is best to use industrial silk with a density of 1000D or above.2. Verification of core mechanical performance indicatorsThe third-party testing report of the product must be verified: the tensile strength (DIN 53354) and tear strength (DIN 53363) jointly determine the ability to resist wind and snow. Long term outdoor use requires a tear strength of ≥ 800N and a peel strength of ≥ 100N/5cm (DIN 53357) to ensure that the coating does not delaminate under high-frequency wind pressure. PVDF surface treatment can improve self-cleaning and anti-aging ability.3. Verification of weather resistance and combustion performanceRequest to provide QUV accelerated aging (≥ 3000 hours) and temperature change test (-30 ℃ to+70 ℃) reports. Public places must pass DIN 4102 B1 level or NFPA 701 flame retardant certification and self extinguish upon ignition. Optional anti fungal treatment to extend the service life in humid and hot environments. Request sample fabric for actual testing before bulk procurement. User feedback on PVC knife scraping coated fabrics for building membrane structures Q: How many years did the large-scale sports stadium project take? Will there be delamination or water leakage at the seams?Answer: After more than five years of use, the high-frequency welding joints are as good as new and have never leaked water. This material has high peel strength, and the knife scraping process allows the coating and base fabric to deeply interlock, unlike ordinary coated fabrics that are prone to peeling and delamination over time. I have previously inspected an eight year old project, and the membrane surface is still flat, and the weld seam cannot be easily removed by hand.Q: Will long-term outdoor use cause brittleness or aging? How about UV resistance?Answer: Speak based on the aging test report. We requested QUV 3000 hour aging data before purchasing the project, and the strength retention rate did meet the standard. I actually used it for three summers, and the color of the film surface remained basically unchanged. It was still flexible when pressed by hand, and there was no powdering or cracking. The ordinary tarpaulin used in southern construction sites becomes brittle after six months, while this knife scraping cloth has significantly higher weather resistance.Q: Will there be water seepage on the roof during heavy rain? Does PVDF self-cleaning layer really work?Answer: No dripping, the weld bead is even stronger than the base cloth. The most satisfactory thing is the PVDF self-cleaning layer, which has been used for two years and can easily remove dust and dirt, unlike the acrylic coated membrane material next to it that is already covered in dust and cannot be wiped off. Easy to maintain, it's like an automatic car wash when it rains, reducing the frequency of manual cleaning significantly. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Interpretation of Professional Evaluation Data: Replacement Fabric for Sunshade Top of RV/Camper Professional evaluation data shows that the weight range of the material is 450-750g/㎡, with a 16oz (approximately 680g/㎡) specification using a three-layer composite structure - an outer layer of PVC+talcum powder sunscreen layer, a middle layer of high-strength polyester mesh, and an inner layer of PVC coating. Its tensile strength in the warp/weft direction can reach 1300-4100N/5cm (ISO 1421), tear strength can reach 750-800N (DIN 53363), and peel strength is ≥ 110N/5cm. After 1500 hours of UV aging test (ASTM G53/94), the tensile strength retention rate is ≥ 80%, and the temperature resistance range is -30 ℃ to+70 ℃. Waterproof grade ≥ 3000mmH ₂ O, flame retardant optional NFPA 701 or EN 13501 Class D-s2, d2 standard, UPF50+UV blocking rate>95%, providing all-weather outdoor protection for RV camping. Guide to purchasing PVC waterproof and flame-retardant cloth for replacing RV awning 1. Match weight and thickness to use strengthSelect specifications based on usage frequency and scenario:Seasonal/lightweight use: 550-650g/㎡ (0.45-0.6mm), balancing flexibility and portabilityAnnual/full cycle use: 750-900g/㎡ (0.65-0.9mm), with better wind resistance and wear resistanceProducts with a weight below 500g/㎡ have weak tear resistance, while those with a weight above 1000g/㎡ are too heavy and affect the unfolding operation.2. The density of the base fabric determines its durabilityIt is necessary to verify the 1000D × 1000D high-density polyester base fabric, with a tear strength of ≥ 370N and a tensile strength of ≥ 2250N/5cm. Low density base fabric (such as 500D) is prone to deformation and relaxation under long-term wind and sun exposure.3. Dual verification of waterproofing and flame retardancyThe hydrostatic pressure is required to be ≥ 3000mmH ₂ O to ensure no leakage in rainstorm. Flame retardancy in personnel camping scenes is a safety requirement that must be certified according to DIN 4102 B1 or NFPA 701, and self extinguishing upon leaving the fire.4. UV resistance and customized adaptationRequire UV resistance level ≥ 7 (ISO 105-B02) and no embrittlement or fading after 1000-2000 hours of QUV aging test. Request sample fabric for actual testing before bulk procurement to confirm peel strength ≥ 80N/5cm. User feedback on replacing waterproof PVC cloth for RV awning Q: What is the weather resistance performance of this PVC replacement fabric after installation?Answer: Very reliable. Having experienced several storms, the underside of the tarpaulin remained dry and the surface rainwater quickly slid down without penetrating. The three-layer composite structure (talcum powder sunscreen layer+high-strength mesh+coating) and waterproof rating of 3000mm static water pressure data are true and effective.Q: Is the fabric thicker than the original car? Is installation difficult?Answer: Indeed, it is thicker. The 18oz (about 510g/㎡) four layer high-density PVC is noticeably stronger than the original fabric. It takes some effort to slide the fabric into the groove of the guide rail during installation. Some users have reported that it took some effort to insert the thicker fabric into the guide rail. It is recommended that the two of them cooperate and prepare WD-40 lubrication assistance for operation.Q: How about UV resistance and durability? Will long-term use cause aging?Answer: UPF50+can block 98% of harmful ultraviolet rays. After two years of use, the fabric remains in good condition and remains flexible without significant fading. However, if the white heat reflective layer on the back is exposed to rainwater for a long time, small rust spots may appear. It is recommended to ensure that the tarpaulin is completely dry before each retrieval. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Professional Evaluation Data Interpretation: Plain/Checkered PVC Pool Liner This product utilizes a 1000D×1000D high-strength polyester base fabric combined with a double-sided PVC coating process, featuring triple protection functions of flame retardancy, antibacterial properties, and water resistance, specifically designed for long-term immersion in outdoor swimming pools. Professional test data indicates its tensile strength reaches 1499-1910N/5cm (longitudinal/latitudinal), tear strength of 400-560N, and can withstand prolonged water pressure and pool floor friction. The peel strength exceeds 112N/5cm (DIN 53357), ensuring high-frequency welded seams remain intact. The material's temperature resistance ranges from -30°C to +70°C (DIN 53372), with lightfastness ≥6 grade (ISO 4893-2, 1000-hour xenon aging), and maintains zero leakage under 0.3MPa static water pressure for 3 hours. Flame retardancy is optionally available at EN 13501 B1 level, while antibacterial and mildew-resistant treatment ensures a clean and hygienic swimming pool environment. PVC Pool Pads (Plain/Grid Flame Retardant, Antibacterial and Durable) Selection Guide 1. Weight and thickness selectionMatch specifications based on pool type:Ground swimming pool/household use: Choose 1500g/㎡ (about 1.2mm), tear strength ≥ 400NUnderground swimming pool/commercial premises: Choose 1875-2000g/㎡ (approximately 1.5mm), tear strength ≥ 500NProducts below 1300g/㎡ have weak puncture resistance and are prone to damage under long-term water pressure.2. Core mechanical performance verificationIt is necessary to verify that the tensile strength in the warp/weft direction is ≥ 1500N/5cm (ISO 1421) and the tear strength is ≥ 400N (DIN 53363). Require a peel strength of ≥ 100N/5cm (DIN 53357) to ensure that high-frequency welding joints do not separate during long-term immersion and trampling.3. Dual verification of flame retardancy and antibacterial propertiesPublic places must be certified to EN 13501 B1 level or DIN 4102 B1, and self extinguish upon ignition. Request to provide an antibacterial and anti mold testing report (AATCC 100 or ISO 846) to effectively inhibit the growth of Aspergillus niger and Staphylococcus aureus.4. Weathering and anti-seepage standardsConfirm the temperature resistance range of -30 ℃ to+70 ℃ (DIN 53372), and maintain a hydrostatic pressure of 0.3MPa for 3 hours without leakage (ISO 811). Require a color fastness to light of at least level 6 (ISO 4893-21000 xenon lamp aging), ensuring long-term exposure to sunlight without fading or embrittlement. Before bulk procurement, sample the fabric and test its tear resistance and waterproof performance. Q: How long has this checkered pool liner been used? Will soaking in water for a long time cause peeling?Answer: After using it for a whole summer, the pad is still flat and snug after drainage, without peeling at all. This material has high peel strength, and the coating is tightly bonded to the base fabric, unlike the one I bought before which started to bulge and layer after six months. I asked the merchant for the testing report, and the DIN 53357 data does indeed exceed 100N/5cm. No wonder it is so solid.Q: What are the waterproof and antibacterial effects? Will the bottom of the pool slide?Answer: The waterproof performance is impeccable, and there is almost no leakage of water level. It's quite surprising in terms of antibacterial properties. I didn't do much special cleaning throughout the summer, and there wasn't any slippery biofilm on the bottom of the pool. It's much easier to maintain than a regular lining without antibacterial properties. The merchant claims to meet the antibacterial standard (AATCC 100), which seems to be a casual statement.Q: Will outdoor exposure affect the service life? What is the flame retardant performance?Answer: I have been using it for two summers and the color has been well maintained without significant fading. It seems that the 1000 hour aging test is still reliable. In terms of flame retardancy, I tried using a lighter on the scraps and quickly extinguished the flame, but it did not continue to burn. However, it is best to equip outdoor swimming pools with professional life-saving equipment and fire-fighting facilities. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Interpretation of Professional Evaluation Data: Replacement Fabric for RV Sunshade This product is specially designed for the replacement of outdoor sunshades such as RVs and camping trailers, using a composite process of polyester base fabric and double-sided PVC coating. The professional evaluation data shows that the product with a weight of 550-650g/㎡, 1000D * 1000D high-density base cloth and double-sided coating, has a tensile strength of 2250-3000N/5cm in the warp/weft direction, and a tear strength of 300-370N. The temperature resistance range of the material covers -30 ℃ to+70 ℃ (-4 ° F to+167 ° F), and its hydrostatic pressure is high, effectively resisting rainstorm. UV resistant UPF50+, with optional B1 level or NFPA 701 standard flame retardant performance, ensuring safe and durable outdoor use. Guide to purchasing PVC waterproof and flame-retardant cloth for replacing RV awning 1. Thickness and weight matchingLightweight/Seasonal Use: Choose 0.5-0.6mm (500-650g/㎡), balancing flexibility and portabilityAll year/round use: Choose 0.7-0.9mm (650-850g/㎡) for better tear resistance and wear resistanceProducts below 0.5mm have weak wind resistance, while those above 1.0mm are too heavy and affect the unfolding operation.2. Dual verification of waterproofing and flame retardancyThe hydrostatic pressure value must be checked ≥ 3000mmH ₂ O (ISO 811) to ensure that there is no leakage in rainstorm. Flame retardancy in personnel camping scenes is a safety standard that requires certification to DIN 4102 B1 level or NFPA 701, self extinguishing upon ignition, and a reignition time of ≤ 2 seconds.3. UV resistance and size adaptationRequire UV resistance level ≥ 7 (ISO 105-B02) and no embrittlement or fading after 1000-2000 hours of QUV aging test. Accurately measure the length (B) and unfolded width (C) of the car edge tent before purchasing, confirm the high-frequency welding process of the edge, and ensure that the peel strength is ≥ 80N/5cm.4. Environmental protection and durable craftsmanshipMaterials certified by REACH/RoHS environmental protection are safer. Prioritize the use of 1000D high-strength base fabric and double-sided coating structure, with a temperature resistance range of -30 ℃ to+70 ℃, suitable for all seasons. Before bulk procurement, sample the fabric and test its flame retardancy and tear resistance. Q: How long has it been since the replacement of the sunshade fabric for this RV? Is there any opening or leakage at the seam?A: It took a summer to load the car. After seven or eight rainstorm and exposure, the joints were intact and no water was leaked. I bought a cheap one and it cracked along the seam line. This high-frequency welding has high peel strength and the welding edge is even stronger than the base fabric.Q: What is the anti UV effect? Will it become brittle and lose its powder after being exposed to sunlight for a year?Answer: After two quarters of use, the color did not fade significantly, and the material still feels flexible. The surface anti UV coating has a significant reflective and thermal insulation effect, and the temperature under the canopy is significantly lower under direct sunlight at noon.Q: Are the installation dimensions accurate? What is the thickness of the material?Answer: The size is consistent with the description, it's a bit difficult for one person to install, but two people work together just right. The material thickness is solid, and it feels like it can be used for several years without any problems. There are metal buckle holes at the corners, which remain unchanged even in strong winds after being tied with ropes. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Professional evaluation data interpretation: PVC waterproof and airtight cloth for inflatable boats/tents/castles/fish ponds This product adopts a composite process of 1000D × 1000D high-strength polyester base fabric and double-sided PVC coating, specially designed for multiple scenarios such as inflatable boats, inflatable tents, inflatable castles, and fish pond liners. Professional evaluation data shows that the material's fracture strength in the warp/weft direction can reach 3200/3000N/5cm, tear strength can reach 400/350N, and peel strength can reach 100N/5cm. Water pressure resistance value>2000mm water column, ensuring complete waterproof sealing. The material has a temperature resistance range of -30 ℃ to+70 ℃, a light color fastness of ≥ 6-7 levels, and a bending resistance of>50000 times. In addition, the product has the option of flame retardant B1 level, which complies with REACH and RoHS environmental standards, providing reliable airtightness and structural protection for water and outdoor inflatable equipment. PVC inflatable boat/tent/castle/fish pond fabric selection guide 1. Weight and strength matchingChoose the appropriate weight and fabric density based on the usage scenario:Inflatable boat/fish pond: Choose 650-850g/㎡, 1000D × 1000D base fabric, tear strength ≥ 350NInflatable tent/castle: Choose 850-1100g/㎡, 900-1100gsm is preferred, tear strength ≥ 500NProducts below 600g/㎡ have insufficient pressure bearing capacity and are prone to deformation and damage when inflated.2. Core indicators of airtightness and waterproofingIt is necessary to verify that the joint peel strength is ≥ 130N/5cm (DIN 53357) to ensure that the high-frequency welding seam does not separate during high-frequency inflation and deflation. Require a hydrostatic pressure of ≥ 9000mmH ₂ O to achieve complete waterproof sealing. The working pressure should meet 15-25kPa, and the pressure holding time of the gas column should be ≥ 48 hours.3. Weather resistance and safety certificationConfirm that the temperature resistance range covers -30 ℃ to+70 ℃, and the -40 ℃ specification can be selected for high-altitude areas. Personnel intensive areas (inflatable castles) require B1 level flame retardant certification (EN 13501 or DIN 4102) and self extinguishing upon ignition. Require REACH and RoHS environmental certifications to ensure the safety of children's contact. Q: How long can this PVC fabric hold up at the seams when used on inflatable castles?Answer: I have been using it for more than half a year, inflating and deflating it every day, and the weld seam has not opened at all. The material has high peel strength, and the joint after high-frequency welding is even stronger than the base cloth. A cheaper product purchased by a competitor had a bulging and leaking air after three months. The corners of this store are tightly welded and have excellent waterproof properties.Q: Will the fish pond liner leak when soaked in water for a long time? Will the fish be affected?Answer: Absolutely not. The fish pond has been used for two breeding cycles, and the water level has not dropped at all. The material is 100% waterproof and has extremely low permeability. And it has passed ROHS/REACH environmental certification, does not contain heavy metals, and the fish is completely safe.Q: Will inflatable boats scratch when used in reef areas?Answer: It cannot be scratched, and there are very few scratches. The material has high tear resistance, 1000D high-strength base fabric, and can be easily dragged with beach gravel. The temperature resistance range is -30 ℃ to 70 ℃, and it can withstand exposure to sunlight in summer and freezing in winter. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Professional Evaluation Data Interpretation: Customized Inflatable Tent Structure Using PVC Waterproof Airtight Fabric Professional testing data indicates that the material used in the gas column structure must meet stringent mechanical standards: longitudinal tensile strength ≥2400N/5cm, transverse tensile strength ≥2000N/5cm, ensuring structural stability under pressurized conditions. Peel strength ≥130N/5cm (DIN 53357) guarantees that high-frequency welded seams remain intact during rapid inflation and deflation. The material's temperature tolerance ranges from -30°C to +70°C (DIN 53372), with a wind resistance rating of ≥9 and a hydrostatic pressure resistance of ≥9000mm, ensuring all-weather reliability. The weight is 760-850g/㎡, balancing structural strength with the portability required for rapid deployment. PVC Waterproof and Airtight Fabric Selection Guide for Inflatable Tent Structures 1. Weight and strength matchingThe air column material is the core load-bearing structure of the tent and must meet strict mechanical indicators. According to the procurement technical requirements, the weight of the air column material should be ≥ 760g/㎡, the thickness should be ≥ 0.7mm, the fracture strength should be ≥ 2500N/5cm in the warp direction, and ≥ 2200N/5cm in the weft direction. High quality products available in the market, such as 1000D × 1000D specifications, have a fracture strength of up to 3500N/3300N/5cm and a peel strength of ≥ 130N/5cm to ensure that high-frequency heat sealing seams do not separate.2. Requirements for airtightness and pressure retentionThe working pressure should meet 15-25kPa, the air column pressure holding time should be ≥ 48 hours, and the self standing time for one inflation should be ≥ 7 days. The hydrostatic pressure must be ≥ 25kPa to ensure waterproof sealing.3. Weather resistance and safety certificationThe temperature resistance range should cover -30 ℃ to+70 ℃, and the -50 ℃ specification can be selected for high-altitude areas. The flame retardant performance requires a continuous burning time of ≤ 5 seconds. Wind resistance level ≥ 8. Verify third-party testing reports before bulk procurement. Q: Can this customized inflatable cloth really last a night without collapsing when used in tents due to large temperature differences at night?Answer: The actual test shows that it can withstand quite well. We camped on the dam in October, and the temperature dropped sharply by more than ten degrees at night. In the morning, the air column was still strong and the pressure was stable. There is almost no pressure drop within 24 hours, which is the value of high peel strength (≥ 130N/5cm) and high-frequency heat sealing process. The seams are tightly sealed and will not slowly deflate due to temperature fluctuations.Q: Does the wind shake strongly when it blows? What is the wind resistance?Answer: Not at all. On May Day, we went to the beach and in the middle of the night, there was a strong wind of seven or eight levels. The pole of the traditional tent next to us creaked, and our tent cloth trembled slightly. The air column itself was as stable as a rock. This relies on a high weight base fabric of 760g/㎡ or more, a thickness of 0.7mm, and a fracture strength of ≥ 2500N/5cm for the air column. It is a completely lightweight rigid structure that cannot be shaken by ordinary small winds.Q: Will there be water leakage at the joint when it keeps raining? Will it swell up?Answer: No water leaks. Once it rained rainstorm the next day and night. When I got up in the morning, the bottom of the tent was dry and bright, and there was no water stain at the joints of high-frequency welding. The hydrostatic pressure ≥ 9000mm is almost a hard shell, and the air column itself is waterproof, both inside and outside, which is more than enough to cope with conventional rainstorm. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Professional evaluation data interpretation: RV sunshade top fabric This product is specially designed for replacing the sunshade of RVs (camping trailers/RVs), using a composite process of high-strength polyester base fabric and double-sided PVC coating. Professional evaluation data shows that the 1000D × 1000D high-density plain weave fabric, combined with a weight of 650-850gsm, endows the fabric with excellent mechanical stability: the tensile strength in the warp/weft direction can reach 2250-2900N/5cm, the tear strength can reach 370-557N, and the peel strength is greater than 80N/5cm. The material has passed temperature resistance testing from -30 ℃ to+70 ℃ and B1 level flame retardant certification. UV resistance level ≥ 7 (ISO 105-B02), hydrostatic pressure value ≥ 3000mmH ₂ O, ensuring complete waterproofing. Weathering treatment ensures that long-term outdoor exposure does not fade or become brittle. RV Sunshade Top Cloth (Waterproof PVC Plain Weaving Style) Selection Guide 1. Weight and strength selectionThe RV sunshade is exposed to the outdoors for a long time. It is recommended to choose a high-density base fabric with a weight of 650-850g/㎡ and a size of 1000D × 1000D. Ensure that the tensile strength in the warp/weft direction is ≥ 2500N/5cm and the tear strength is ≥ 300N to resist strong winds and daily wear.2. Waterproof and weather resistance verificationThe hydrostatic pressure value must be checked ≥ 3000mmH ₂ O (ISO 811) to ensure that there is no leakage in rainstorm. Require UV resistance level ≥ 7 (ISO 105-B02), pass QUV 1000-2000 hour aging test to ensure long-term sun exposure without brittleness or fading.3. Flame retardant and safety standardsFlame retardant is a safety requirement for RV camping scenes. It is recommended to choose DIN 4102 B1 level or NFPA 701 certified products, which can extinguish on fire. Confirm the temperature resistance range of -30 ℃ to+70 ℃, suitable for use in all seasons. The peel strength should be ≥ 80N/5cm to ensure that the joint does not crack for a long time. Q: Can this motorhome awning replace the fabric to block the rainstorm in summer? Is the waterproof data reliable?Answer: Absolutely possible. The measured waterproof grade is>200kPa (about 20000mmH ₂ O). After several rainstorm, the tarpaulin is completely dry under the tarpaulin, and there is no trace of water seepage on the surface.Q: What are the UV resistance and weather resistance properties? Will long-term exposure to sunlight make it brittle?Answer: Excellent performance. UPF50+can block>98% of ultraviolet rays, and after two years of use, the material remains flexible without significant fading or brittleness.Q: Is 1000D fabric really durable? What about the tear strength data?Answer: Very durable. 1000D × 1000D high-density base fabric, with a tensile strength of ≥ 2250N/5cm in the warp/weft direction and a tear strength of ≥ 370N, capable of withstanding daily use tests. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province

Blog Professional evaluation data interpretation: panoramic Padre court/tennis court PVC waterproof ceiling cloth This product is designed specifically for panoramic Padres and tennis courts, using high-strength 1000D polyester base fabric and double-sided PVC coating composite technology. According to professional evaluation data, differentiated working condition designs are adopted for different load-bearing areas: the top main curtain uses 850-970g/㎡ to resist wind and snow, while the side panels use 750g/㎡ to maintain transparency. Its tensile strength can reach 1809/1405N/5cm in the warp/weft direction, tear strength can reach 557/360N, and peel strength is greater than 105N/5cm. The material has passed DIN 4102 B1 flame retardant certification and temperature resistance testing from -30 ℃ to+70 ℃, with a bending resistance of more than 50000 times, providing long-lasting structural support for all-weather competitive sports. Panoramic Padre/Tennis Court PVC Waterproof Ceiling Cloth Selection Guide 1. Weight and regional differentiation selectionSelect specifications based on the functional zoning of the site: the top main curtain should be selected at 850-970g/㎡ to bear and resist wind, and the side panels should be selected at 750g/㎡ to maintain transparency. For professional venues, it is recommended to use high-strength base fabric of 1000D or above, with a weight of 1050gsm to provide stronger structural support.2. Core mechanical performance verificationIt is necessary to confirm that the tensile strength is ≥ 5000N/5cm in the longitudinal direction and ≥ 750N in the tear strength. The peel strength should be ≥ 100N/5cm (DIN 53357) to ensure long-term use without delamination. The number of times it can withstand bending should be greater than 50000 times (DIN 53359A), suitable for daily expansion.3. Flame retardant and weather resistant safety standardsFlame retardancy in personnel sports venues is a safety requirement that must be certified according to DIN 4102 B1 or NFPA 701, and self extinguishing upon ignition. Confirm the temperature resistance range of -30 ℃ to+70 ℃. It is recommended to choose PVDF self-cleaning coating, as rainwater can wash away dust and reduce manual maintenance. Q: How does this panoramic stadium tarpaulin actually perform under summer sun exposure and rainstorm?Answer: The performance was very outstanding. After continuous rainstorm, the site is completely dry; Under the scorching summer sun, the fabric does not become brittle or fade noticeably. Its 1000D high-density base fabric and waterproof coating effectively block rainwater infiltration.Q: As a sports field ceiling, what are the wind resistance and flame retardant safety performance?Answer: Very reliable. After installation, it experienced multiple strong winds (with a maximum instantaneous wind speed of about 18m/s), and the tarpaulin structure remained stable without tipping over. Its B1 level flame retardant certification material extinguishes immediately upon ignition during testing, providing reliable safety assurance for sports enthusiasts.Q: Will the seams tear after long-term use?Answer: Good durability. After 18 months of use, there were no cracks or delamination in the high-frequency welding joints. The design with a peel strength of ≥ 100N/5cm ensures long-term stability of the structure. Company Backround: Zhejiang Hanlong New Materials Co.,Ltd.      Was established in 2016.It is a modern enterprise engaged in industrial fabric research and development,design,production,and sales.      The company has introduced advanced coating and laminating production lines, -mainly producing PVC,PET,TPU,TPO,and other sandwich materials used in tents,membrane structures,airtightness,luggage,protection,medical,and other fields. Contact us Tel:0086 15958345754  Email: Lex@zjhanlong.cn Our Fcatory:Building B, No. 16 Huajin Road, Zhouwangmiao Town, Haining City, Jiaxing City, Zhejiang Province