This standard specifies the test method for the color fastness of leather to solvents. This standard applies to the determination of the color fastness to solvents of unused and unwashed leather. This standard does not apply to leather composite materials and finished leather garments, nor does it apply to evaluating the dry-cleaning effect of leather garments.
GB/T 39373-2020 Referenced Document
GB/T 250 Textiles.Tests for colour fastness.Grey scale for assessing change in colour
GB/T 250-2008 Textiles.Tests for colour fastness.Grey scale for assessing change in colour
GB/T 251 Textiles.Tests for colour fastness.Grey scale for assessing staining
GB/T 39373-2020 history
2020GB/T 39373-2020 Leather—Tests for colour fastness—Colour fastness to solvents