Textile Color Grey Card, Standard Grey Scale for Assessing Staining, Grey Scale for Assessing Change in Color, 5-Level Color Fastness, for Dry Wet Rubbing Fastness or Surface Stability Tester

Product Description: The gray sample card for assessing staining is not only suitable for detecting the degree of staining of the fixed lining fabric, but also for determining the degree of staining of any white matter. Specifications: Function: Textile color fastness test Color: 5 levels, 9 gears Size: 25*13cm Precautions for Use: 1. Keep the gray card clean. 2. Always check the gray card for fingerprints. 3. If the imprint has been found to interfere with the rating, the gray card must be replaced. 4. Try to avoid mechanical damage caused by touch. 5. If mechanical damage interferes with the rating, it should be replaced. 6. After the gray card is used up, put it into the sleeve.

• Textile Color Card: This gray card is suitable for the color fastness rating of textiles in GB, ISO, AATCC, DIN, BS, JIS, EN standards. This Textile Color Card is used to evaluate Change in Color in color fastness test.
• 5-Level: Divided into 1-5 grades, half-level increment. In the five-level and nine-speed gray card, the fifth level is the best, indicating that there is no color difference in visual inspection, and the color fastness is the best.
• Color Description: On the color changing gray card, color fastness level 5 is represented by a set of two identical neutral gray cards placed side by side, with decreasing depth and the same reflectivity and size of neutral gray cards placed side by side.
• Application: The gray scale for evaluating color change is not only suitable for determining the color fastness of textiles, but also can be used to determine the color fastness of any object during processing and application.
• Note: Never touch the nine pairs of gray or white cards in the sample card when using. If the small card is found to be fluffed, scratched, damaged, or stained with water, stains, or stains, stop using it.