For colored fabric or leather and similar material. To test the dyeing-color firmness against abrasion, use standard white cotton (dry or wet) to number of times smoothly to the colored specimen, then take out white cotton clothes to compare with “standard gray scale” and evaluate the level of color firmness against abrasion of dying or printing of the material. According to test Standard: 499, 3843, 8432, JIS-L0801, L0849, L1006, L1084, K6328, P8136.