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Optical brightener 31#

The Details of "Optical brightener 31#"

Optical Brightener 31#
Appearance:Light yellow to yellow uniform powder
UV absorption:100±3(equal to E370)
Max.UV absorption wavelength:348nm
Performance characteristics:
Green tone;Acid and alkali resistant range ph 7-12;Good sunlight resistance and aging resistance.
Mainly applied in washing powder,soap,cotton,viscose;Also used in brightening of light tone or printed fabrics,and whitening of vinylon and chinlon product.
Recommended dosage:
Common washing powder :0.08-0.15%;
Soap/Concentrated detergent powder/Fabric softning agent/Liquid detergent:0.1-0.2%
Textile:0.08-0.3%,bath ratio:1:40;optimum temperature:60℃
Package:N.W.25kg Fiber drum,kraft or PE bag