Zhejiang Hanlong New Material Co., Ltd.

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