Optical Brightener ER-III (FBA 199:2)

Appearance: Yellowish green crystal powder

Shade: Greenish, good heat-resistance and light stability

Purity: 99% Min

Melting point: 289-291°c

Packaging: 25KGS Fiber drums within double pe bags.

                  16KG plastic woven bgas.

Usage: A good whitening agent for polyester, ethylic acid, nylon, especially for plastic. It 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.