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.