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See Chinese contents: HG/T 3689-2014 HG/T 3689-2014: Test method of discoloration for footwear
This Standard specifies the test method for the degree of yellowing resistance of the upper and sole of the shoes and other products against the sunlight and ultraviolet light. This Standard specifies two test methods A and B. Method-A is the solar lamp method and Method-B is ultraviolet lamp tube method. This Standard is applicable to test the materials used for white and light-colored shoes.
