GB/T 40920-2021 "Leather — Tests for colour fastness — Colour fastness to rubbing (oscillatory)" specifies the test method for evaluating the stability of the colour on the surface of leather under continuous oscillatory rubbing. It simulates daily friction by using standard rubbing cloth to perform linear reciprocating rubbing on the surface of the sample for a specified number of cycles. The staining level of the rubbing cloth is assessed to evaluate the durability of leather products (such as sofas and shoe uppers).
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | Y46 | ICS | 59.140.30 |
| Release Date | 2021-10-11 00:00:00 | Implementation Date | 2022-05-01 00:00:00 |