This standard specifies a method for determination of the shrinkage temperature of leather.
It is applicable to all leathers.
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 (excluding corrections), or revisions, of any of these publications do not apply to this standard. 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 applies.
GB/T 6682-1992 Water for analytical laboratory use - Specification and test methods
QB/T 2706-2005 Leather - Chemical, physical and mechanical and fastness tests - Sampling location (ISO 2418:2002, MOD)
QB/T 2709-2005 Leather - Physical and mechanical tests - Determination of thickness (ISO 2589:2002, MOD)
3 Principle
The test piece is heated at a specified rate in water until a sudden shrinkage occurs and the temperature at this time is called shrinkage temperature.
