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What is sunscreen shirt sunscreen what effect
Sun protection clothing first became popular in the United States in 2007 before entering China. In China, UV-resistant fabrics are mostly used in outdoor products, the application of ordinary clothing is still relatively small. In fact, the production of sunscreen fabric principle is very simple, in fact, which is added to the fabric sunscreen agents, and if there is a special need for fabric finishing thick out. The so-called thick finishing is the density of fabric weaving larger. Sunscreen shirt with ultra-thin transparent, sunscreen breathable, soft and comfortable fabric features, can be a good friend to help out to withstand ultraviolet radiation exposure. "Formal garments made of sunscreen fabric will have a clear UV protection coefficient on their clothing label." The relevant parties remind consumers that when choosing UV-protection textile and apparel products, they should first check the product manual with or without products Anti-UV function, if there is anti-UV function, should also require the product by the State Administration of Quality and Technical Supervision authorized provincial and municipal level above the quality supervision and inspection agencies issued a test report to confirm whether the product meets the national standard requirements. The main reference index of sunscreen items is upf index, we should try our best to choose the UPF (UV protection coefficient)> 30, T (UVA) of textile and garment products (ie the ratio of transmitted flux to incident flux when sunlight UV wavelength is between 315cm ~ 400cm ) Since most sunscreen fabrics are based on the principle of adding auxiliaries, the fabric may cause a decrease in sunscreen performance after several washes, but this does not violate the national regulations.