Optical Brightener ER-I -II-III 199 is yellow powder form,can be used for plastics industry,also can be made to be liquid,which used for textile,such as polyester and blend,and it has another name Optical Brightener PS-1
Optical Brightener ER-I 199 powder and Optical Brightener PS-1 Liquid
Optical Brightener ER-I 199
It has high whitening brightening effect and excellent fastness to sublimation.
Appearance:greenish yellow crystalline powder
Maximum UV Absorption Spectrum:365nm
Mainly be used in whitening of polyester fiber and as the raw material of paste form brightening agent in textile dyeing.
25kg per fiber drum