Optical Brightener ER-III (C.I. 199: 2)

Other Name

Optical brightener 199.2

Appearance

CAS No.

Light yellow crystalline powder

13001-40-6

Purity

≥98%

Volatile

<0.5%

Melting Point

289~291°C

Package

20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements.

Applications:

Light yellow powder, insoluble in water, soluble in DMF, high temperature resistance.

Optical Brightener ER-III is suitable for whitening and brightening of polyester fiber melt spinning.Applied to the whitening process of Dacron, acetic fiber, polyamide fiber, blends of terylene-cotton.

Dosage:

The usual dosage is 0.02-0.08% (W/W) or can be adjusted according to the standard requirements of DT(Recalled PP).