Optical Brightening Agent ER

Optical Brightening Agent ER mainly used in txtile printing and dyeing.
Specifications:
appearance: fallow powder
melting point: 229-231℃
purity: ≥98%

Application:
The product ER is very suitable for whitening and brightening polyester,cellulose and plastic.Generally 0.02-0.08% weight of polyester.

Package:
25kg / fiber drum with PE liner or kraft paper bag