60 wide 100 cotton fabric
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Rayon can be machine-washed.
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100 polyester clothes
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half colored flannel
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5. Composite color fastness to light and sweat
Taking GB/T 14576-2009 as an example, expose the sample together with the blue wool standard sample until the end of the exposure. After the test, wash and dry the sample, and then evaluate it with the color change gray card.
Taking GB/T 14576-2009 as an example, expose the sample together with the blue wool standard sample until the end of the exposure. After the test, wash and dry the sample, and then evaluate it with the color change gray card.
