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See Chinese contents: GB/T 3921-2008 GB/T 3921-2008: Textiles -- Tests for colour fastness -- Colour fastness to washing with soap or soap and soda
This Standard specifies methods for determining the colour fastness to washing of all kinds of textiles that are commonly used in households, It includes 5 type of tests on different washing procedures - from mild to severe procedure. This Standard is only used to determine the effect of washing on the colour fastness of the textile. It is not intended to reflect the result of the comprehensive laundering procedure.
