Waterproof clothing refers to functional clothing that can resist the penetration of rainwater to a certain extent and play a protective role. Waterproof fabrics are mainly made by processing waterproof fiber materials and adding waterproof coatings to the surface of the fabric. Mainly used in outdoor clothing, protective clothing, military clothing, jackets, windbreakers, raincoats and other products.
Testing and evaluation of waterproof clothing
Waterproof clothing mainly includes two performance requirements: anti-water staining and anti-water seepage. my country’s current national standards stipulate that the fabric’s water-proof resistance should meet the water level ≥3, and the water-proof fabric should meet the hydrostatic pressure ≥4kPa.
GB/T 4745-2012 “Textiles – Testing and evaluation of waterproof properties – Water soaking method”:
GB/T 4744-2013 “Textiles – Testing and evaluation of waterproof properties – Hydrostatic pressure method”:
Suggestions for purchasing waterproof clothing
Look at the label: Clothes marked with “waterresistant”, “waterproof” or “waterproof” on the clothing label indicate that the product is water-proof and water-proof. A few product labels are marked with “anti-moisture” or “anti-water seepage”, indicating that the product only has partial waterproof function. It is recommended that consumers choose according to their needs.
Selection of fabrics: After inspection, generally the waterproof performance of clothing made of thinner fabrics is likely to fail. In addition, some garments are not treated with taped strips, which will also lead to unqualified waterproof performance. Consumers are advised to identify carefully when purchasing.
Heavy maintenance: During use, you should refer to the care instructions on the label for washing and maintenance. Try not to fold and store it to avoid damaging the waterproof coating and tape and affecting the waterproof performance.
Reference standards:
(1) GB/T 4745-2012 “Testing and Evaluation of Waterproof Performance of Textiles – Water Wet Method”
(2) GB/T 4744-2013 “Textiles – Testing and Evaluation of Waterproof Performance – Hydrostatic Pressure Method”
Source|Shanghai National Inspection Bureau Zhang Weiwei, Feng Weichen, Textile and Clothing Inspection Forum
Editor|Decon Nano
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