This model is the special JIS standard resistance to colorfastness tester.
Applicable for testing the resistance to colorfastness property of fabrics
after rubbing under dry or wet state.
Under the certain of pressure and within predetermined stroke, make
sample rub with white cotton cloth repeatedly for specified times. By
comparing the white cotton cloth after rubbed with Gray scale for
assessing staining to determine colorfastness grade.
JIS L 0849 II
