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Optical brightener ER- III (FBA 199:2)

Optical brightener ER- III (FBA 199:2)

CAS NO.: 13001-40-6

Appearance: Yellowish green crystal powder
Shade: Greenish,good heat-resistance and light stability
Purity: 99%Min
Melting point: 289-291℃
Packaging:25KGS fiber drums within double pe bags,16KG plastic woven bags.
Usage: A good whitening agent for polyester, ethylic acid,nylon,especially for pastic.lt could improve thermal stability when mix with er-i,er-ii.
Usage method: Add 0.02-0.08%(compare with polyester) in polyester fiber, or adjust it according to the whiteness requiryment, or add dulling agent, blue violet dyes. The dosage 10-60% of mixture will be bestif need to mix with er-i,er-ii.

 

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