How to Know the ISO 11641 Colour Fastness to Perspiration for Your Projects There are millions of effective sweat glands on human skin, with more sweating on the forehead, armpits, forehead, back and palms of the hands; therefore, garments such as shirts, T-shirts and other clothing often worn in summer will show serious color fading in these areas. Clothing with unqualified color fastness is pron...
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