Brief introduction: The JIS staining rating gray card is used in the rubbing resistance and washing color fastness test to evaluate the color change that occurs. It is also very important when grading the light fastness test in the use of the light fastness standard. It is divided into 5 levels. 1, C1-2, C2, C2-3, C3, C3-4, C4, C4-5 and 5 Technical Specifications: Product specifications: 1 JIS color change rating gray card, 1 JIS stain color rating gray card Place of production: Japan Standard for: discoloration JIS L 0804:2004; staining JIS L 0805:2005
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