What is washing fastness level 4? UTS tester can measure

What is washing fastness level 4?

2018-06-13

Washing fastness level 4 refers to the standard gray card rating after washing, mainly to see the situation of discoloration and staining, no matter how many hours.
For example, home textile products should be light color fastness level 4. American Standard level 4 generally means that after 20 hours of light, the discoloration of the cloth should reach above level 4. Reach high washing fastness level is our goal.
Use UTSTESTER Washing Color Fastness Tester(LCD Display) can measure the washing fastness level.

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Web: www.utstesters.com

Email: hello@utstesters.com

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