Functional Fiber : UV Resisitant Yellowing
UV Resisitant Yellowing

Light yellowing is the yellowing of fiber surface caused by sunlight or ultraviolet radiation. Therefore, by adding materials with UV absorption function, the fiber has certain anti ultraviolet yellowing performance.


The product meets the physical property requirements of FZ / T 52010-2014 standard.
The fiber is made into 200GSM non-woven fabric :
the product meets the GB / T 30669-2014 light yellow color fastness test standard, the test result is 4-5 grade.

Phenolic Yellowing(Grade) GB/T 29778-2013

Testing Items
(Unit of measurement)
[Sample identification]
Test Methods Standard Deviation and Allowance Test Results Conclusion
● Phenolic Yellowing
GB/T 30669-2014
Irradiance : 304 nm
0.77 W/(m2 ⦁ nm)
Test Period : 6h
------ 4 - 5 ---




Widely used in shoe materials, car accessories and other fields that need light yellowing resistance.


It should be sealed and stored away from light during transportation.
Careful blending with other fibers will affect the UV yellowing resistance.

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