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Site: Home > Related Articles > The Mechanism and Application of Leather Rubbing Color Fastness Tester

The Mechanism and Application of Leather Rubbing Color Fastness Tester

Author: Released in:2021-07-02 Click:68

The leather rubbing color fastness tester uses a dry or wet white wool cloth to wrap the surface of the rubbing hammer under a specified pressure to perform a reciprocating rubbing test on the surface of the leather. The leather rubbing color fastness tester uses felt to perform reciprocating rubbing on the leather surface to determine the rubbing color fastness of the leather surface. It is suitable for all types of leather and can be dry rubbed and wet rubbed. The test method is to take the leather with a specification of 120×20 mm, stretch the leather sample by 10% along the rubbing direction, soak the wool felt in distilled water for no more than 24 hours. The leather is soaked in distilled water for no more than 1 hour by the leather rubbing color fastness tester, and then gets stuck in the rubbing head before being rubbed with the sample. Under D65 light source, the wool felt discoloration grade is judged by the pollution gray scale, and the leather discoloration grade is judged by the discoloration scale. Next, let's talk about the mechanism and application of the leather rubbing color fastness tester.

The Mechanism and Application of Leather Rubbing Color Fastness Tester

1.The mechanism of leather rubbing color fastness tester:


Under a certain pressure and within a certain stroke of leather rubbing color fastness tester, the sample is made to rub with white cotton cloth for a specified number of times. Comparing with the evaluation level, the leather rubbing color fastness tester provides a basis for improving fabric dyeing, which is suitable for frequent or long-period testing.


2.The application of leather rubbing color fastness tester:


After rubbing the sample with dry or wet rubbing cloth or brush by leather rubbing color fastness tester , the sample card is used to evaluate the change of rubbing cloth or sample. The tester is used to test the degree of decolorization by friction of dyed fabrics and leather. The test method of leather rubbing color fastness tester is to use a dry or wet standard white cotton cloth for being wrapped in the rubbing head, and then reciprocatedly rubbing the test piece clamped on the test table to evaluate the color fastness level. Leather rubbing color fastness tester is suitable for regular or long-period testing, and is equipped with an electronic preset counter (which can count 9999 rubs).


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