Zhejiang Hanlong New Material Co., Ltd.

Blog Professional evaluation data interpretation: Thickened PVC swimming pool waterproofing membrane This product adopts a composite process of 1000D high-strength polyester mesh and double-sided thickened PVC coating, specially developed for swimming pool liners and water storage systems. Third party laboratory tests have shown that its tensile strength in the warp/weft direction is 3212/3328N/5cm, and its tear strength is 765/757N/5cm, which can withstand long-term water pressure and pool bottom friction. 0.3MPa hydrostatic pressure for 3 hours without leakage, achieving complete waterproof sealing. The material has passed the low-temperature bending test at -30 ℃ without cracks and the 1000 hour xenon lamp aging test, with color fastness ≥ level 6 and excellent chlorine resistance. The 1500g/㎡ weight design ensures an outdoor service life of over 5 years. Selection Guide for Thickened PVC Pool Waterproofing Membrane 1. Strength and weight matchingFor swimming pools, it is necessary to choose thickened models with a weight of ≥ 1500g/㎡, and verify the tensile strength (warp/weft direction should be ≥ 3200N/5cm) and tear strength (≥ 750N/5cm). Ordinary waterproof materials typically have a weight of less than 1000g/㎡ and cannot withstand long-term water pressure and pool bottom friction.2. Waterproof and weather resistance verificationIt is necessary to confirm that the hydrostatic pressure tolerance value is ≥ 0.3MPa (approximately 30000mm) and the chlorine aging resistance test report (it is recommended that the strength retention rate after soaking for 1000 hours be>85%). At the same time, it is required to provide a certificate of color fastness ≥ 6 after 1000 hours of xenon lamp aging to ensure that it will not fade or become brittle after long-term sun exposure.3. Low temperature and seam technologyVerify the temperature resistance range (recommended -30 ℃ to+70 ℃) and the low-temperature bending test report. Select seamless width (maximum 3.2 meters) based on the size of the pool body and confirm the use of high-frequency welding technology. The joint strength should reach more than 90% of the base material strength to eliminate the hidden danger of splicing leakage. Q: What is the impermeability ability of this thickened PVC swimming pool roll under long-term full water conditions?Answer: Very reliable. Our swimming pool has a depth of 1.6 meters and has been running continuously at full water for over 20 months, with no leakage points on the bottom or side walls. After professional testing, its hydrostatic pressure tolerance value remains stable at above 0.3MPa, fully verifying the laboratory data.Q: Will materials become brittle and crack under low temperature conditions in northern winter?Answer: Excellent flexibility is maintained. After experiencing two extremely cold winters (with a minimum temperature of -28 ℃), the swimming pool drained the coil and stored it in rolls. After the spring, it was re spread without any low-temperature cracks, and its -30 ℃ bending without cracks certification was fully verified.Q: Is the tear resistance performance as shown in the data under high-intensity use?Answer: Far beyond expectations. The swimming pool is subjected to daily friction from children's water toys and repeated scraping and brushing of the bottom suction device, and there has been no penetrating damage to the surface since use. Recent sampling and testing have shown that the tear strength remains above 720N/5cm, proving the authenticity and reliability of its 750N level design standard. 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: Commercial Waterproof Blue PVC Pool Cover This product is specially developed for swimming pool liners and water facilities, using a composite process of high-strength 1000D polyester base fabric and chlorine resistant PVC coating. Professional laboratory tests have shown that its impermeability performance has passed the 0.3MPa water pressure test for 3 hours without leakage, achieving complete waterproof sealing. The color fastness level is ≥ 6, and the color remains bright after 1000 hours of xenon lamp aging test. The material has passed the -30 ℃ low-temperature bending test without cracks, and its temperature resistance range covers from -30 ℃ to+70 ℃. Its tear resistance strength in the warp/weft direction can reach 765/757N/5cm (1500gsm specification), ensuring structural stability under long-term water pressure and pool wall friction. Commercial waterproof blue PVC swimming pool tarpaulin selection guide 1. Chlorine resistance and color fastness verificationIt is necessary to verify the chlorine aging resistance test report. High quality products need to be soaked in chlorine containing water for 1000 hours, and the tensile strength retention rate should be greater than 85%. At the same time, it is required that the color fastness be ≥ level 6 (ISO 105-B02) to ensure that it does not fade or discolor under long-term sun exposure.2. Core data of impermeability and strengthIt is necessary to confirm that the static water pressure tolerance value is ≥ 0.3MPa (approximately 30000mm), which is the basic guarantee for long-term full water anti-seepage of commercial swimming pools. It is recommended to have a tear resistance strength of ≥ 750N/5cm (1500gsm specification) in the warp/weft direction to resist pool wall friction and pedestrian trampling.3. Low temperature and installation adaptabilityVerify the temperature resistance range (recommended -30 ℃ to+70 ℃) and the low-temperature bending test report to ensure stable environmental conditions throughout the year. Choose a customized width (up to 3.2 meters seamless) based on the size of the pool body and confirm the joint process (high-frequency welding is better than adhesive) to avoid leakage hazards at the joint. Q: How does this blue PVC swimming pool tarpaulin resist aging in long-term chlorinated water?Answer: Very stable. Our commercial swimming pool has been in use for 18 months, and the chlorine concentration in the water is typically maintained at 1.5-3.0 ppm. After sampling and testing, the tensile strength retention rate still reached 88%, fully verifying the laboratory data of strength retention rate>85% after 1000 hours of chlorine immersion, without embrittlement or delamination phenomenon.Q: Does the waterproof and anti-seepage ability last long under full water conditions?Answer: Extremely reliable. The swimming pool has a depth of 1.8 meters and has been running continuously at full water for more than 500 days, with no leakage points on the bottom or side walls of the pool. The static water pressure resistance value of the material remains stable at over 0.3MPa, far exceeding that of ordinary PVC tarpaulins (usually ≤ 0.15MPa).Q: Does the blue surface fade significantly under strong outdoor sunlight?Answer: The color remains excellent. After two full summers of strong ultraviolet irradiation, the color fastness of the tarpaulin still maintains the level 6 standard, with only slight changes in glossiness and no obvious whitening or yellowing phenomenon. The appearance of the pool body is always clean and professional. 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 Flame-Retardant Waterproof Fabric Rolls This product adopts a composite process of high-strength polyester base fabric and flame-retardant PVC coating, specially developed for fire safety scenarios. Through strict testing of EN 13501-1 B-S1, d0 level, its combustion droplet index has reached the highest safety level. Laboratory verification shows that its Limiting Oxygen Index (LOI) is ≥ 32%, far exceeding that of ordinary materials (usually

Blog Professional evaluation data interpretation: PVC waterproof covering cloth This product is compounded with high density polyester base cloth and modified PVC coating. It has been systematically verified in the laboratory that its hydrostatic pressure value is ≥ 8000mm (ISO 811), which can achieve complete isolation in the continuous rainstorm environment. After 2000 hours of xenon lamp aging test, the tensile strength retention rate is greater than 85% (GB/T 16422.2), and the UV resistance performance is excellent. The dynamic abrasion resistance test (ASTM D4966) showed that the fabric remained undamaged after 50000 frictions and passed the -25 ℃ low-temperature bending test without cracks. The surface has undergone anti mold treatment (Grade 0, GB/T 24346), suitable for long-term coverage scenarios such as warehousing, agriculture, outdoor equipment, etc., and can maintain stable performance even in humid and hot environments. PVC waterproof covering cloth selection guide 1. Waterproof rating and durability dataThe preferred product is one with a hydrostatic pressure value of ≥ 8000mm (commonly available on the market at around 3000-5000mm). It is necessary to check the wear test report. Professional grade fabrics should meet the requirement of ≥ 50000 times of friction without damage, far higher than conventional standards, to ensure long-term use without water leakage and scratch resistance.2. Weather resistance and aging resistanceRequest UV resistance test data, high-quality materials must pass a 2000 hour xenon lamp aging test and maintain a tensile strength retention rate of>85%. At the same time, confirm the anti mold level (recommended level 0) to avoid the growth of mold in humid and hot environments that may cause performance degradation.3. Environmental adaptability verificationAccording to the climate of the usage area, verify the low-temperature flexibility test (it is recommended to bend at -25 ℃ without cracks). For long-term outdoor coverage, it is recommended to choose thickened models with a weight of ≥ 500g/㎡, and ensure that the edges have high-frequency welding or double-layer seam reinforcement to improve wind resistance and structural life. Q: What is the actual waterproof effect of this PVC waterproof cloth during continuous rainy seasons?Answer: The effect is very reliable. We have been covering the open-air storage of building materials for over two months and have experienced multiple periods of continuous heavy rainfall. The static water pressure value remained stable above 8000mm, and the material under the fabric remained completely dry without any leakage points.Q: After long-term outdoor use, is the anti-aging performance of the material as shown in the data?Answer: The performance fully meets expectations. The waterproof cloth has been in use for three years, and after simple testing, its tensile strength retention rate is still close to 87%, with no obvious brittleness or discoloration on the surface, verifying the reliability of its 2000 hour xenon lamp aging test.Q: Is it easy to mold in humid environments? Is cleaning and maintenance convenient?Answer: The anti mold effect is excellent. After use during the humid season in the south, there is no mold growth on the fabric surface. The surface is smooth, and ordinary dust can be cleaned by washing with rainwater. Stubborn stains can be removed by wiping with a damp cloth, making maintenance very easy. 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