This standard specifies an undyed polyester adjacent fabric suitable for assessing staining in color fastness tests. The staining properties of the polyester interlining fabric to be tested shall be assessed against a standard polyester interlining fabric on a piece of polyester-dyed reference fabric. All reference fabrics shall be obtained from specified suppliers.
GB/T 7568.4-2002 history
2002GB/T 7568.4-2002 Textiles--Tests for colour fastness--Specification for polyester adjacent fabric