1 Scope
This standard specifies a method for determining the colour fastness to water of leather.
This standard is applicable to all kinds of leather.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 250 Gray scale for assessing change in colour (GB/T 250-2008, ISO 105-A02:1993, IDT)
GB/T 251 Gray scale for assessing staining (GB/T 251-2008, ISO 105-A03:1993, IDT)
GB/T 7568.7 Textiles — Tests for colour fastness — Standard adjacent fabrics — Part 7: Multifibre (GB/T 7568.7-2008, ISO 105-F10:1989, MOD)
QB/T 2707 Leather — Physical and mechanical tests — Sample preparation and conditioning (QB/T 2707-2005, ISO 2419:2002, MOD)
3 Principle