QB/T 4671-2014 English PDF (QBT4671-2014)

This Standard specifies the constant temperature and humidity hydrolysis resistance method (Method-A), the normal temperature lye acceleration method (Method-B) and the high temperature lye acceleration method (Method-C), which are the test methods for determining the hydrolysis resistance of artificial leather and synthetic leather. This Standard is applicable to the hydrolysis resistance test of polyurethane artificial leather and polyurethane synthetic leather.