GB/T 39366-2020 Translated English of Chinese Standard. (GBT 39366-2020, GB/T39366-2020, GBT39366-2020): Leather - Tests for colour fastness - Colour fastness to crocking [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2 maj 2021 - 9 sidor This Standard specifies the method for determining the colour fastness to crocking of the leather surface by using white cotton cloth to rub the leather surface repeatedly. This Standard applies to the test of colour fastness to crocking on the surface of various types of colored leather. |