This standard specifies the test method for the yellowing resistance of shoe upper materials, base materials and other products to approximate sunlight and ultraviolet light irradiation. This standard specifies two test methods, Method A and Method B. Method A is the sun lamp method, and Method B is the ultraviolet lamp method. This standard is applicable to the testing of white and light-colored shoe materials.
HG/T 3689-2014 Referenced Document
GB/T 250-2008 Textiles.Tests for colour fastness.Grey scale for assessing change in colour
HG/T 3689-2014 history
2014HG/T 3689-2014 Test method of discoloration for footwear
2002HG/T 3689-2001 Test method of discoloration for footwear