How to choose summer clothes
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How to choose summer clothes - 1

How to choose summer clothes The hot summer is here... The feeling in summer: "sweat, sun". Do you feel the same way? How to choose summer clothes? Xiaobian will take you shopping without detours and let you spend the summer comfortably. The following testing methods will be marked on the certificate of formal summer clothing: Sweat - Moisture-wicking and quick-drying Test method: GB/T21655.1-2008 "Evaluation of Textiles: Moisture Absorption and Dryness Part 1: Individual Combination Test Method" or GB/T21655.2-2019 "Textiles: Evaluation of Moisture Absorption and Quick Drying Part 2: Dynamic Moisture Transfer" Law" -Hygroscopic and quick-drying, that is, it absorbs moisture quickly, and it can be quickly excreted and evaporated. -Moisture-wicking, that is, it can absorb water quickly and it can be expelled quickly, but the evaporation speed is not necessarily fast. -Hygroscopic, refers to can quickly absorb moisture. -Quick-drying, which means that the water can be quickly drained and evaporated. GB/T 21655.1-2008 Textiles -- Assessment of moisture absorption and rapid drying -- Part 1: single combination test method knitting Weaving items requirements requirements moisture absorption Water absorption drip diffusion time /s

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How to choose summer clothes - 2

core absorption height /mm evaporation rate /(g/h) quick drying GB/T 216552-2019 textiles -- Assessment of moisture absorption and rapid drying -- Part 2: dynamic water transfer method Item Soaking time hygroscopic perspiration water absorption rate Hygroscopic quick drying maximum wetting radius of impervious surface diffusion velocity of liquid water on permeable surface soaking time of permeable surface water absorption rate of permeable surface unidirectional transfer index ≥level 1 ≥level 0 ≥leve

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How to choose summer clothes - 3

Sun protection - UV protection Test method: GB/T 18830-2009 "Evaluation of Textiles - UV Protection Performance" - Limit requirements: UPF>40, and T(UVA)AV<5%, it can be called anti-ultraviolet product - In other words, only clothing with the UV protection factor UPF value and UVA transmittance that meets the above limit requirements can be called sunscreen clothing. Ultraviolet (uv) Break down the elastic and collagen fibers in the dermis, which will tan the skin. It has erythema effect on the human body and can promote mineral metabolism and vitamin D formation in the body. However,...

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