Optical Brightener ER-I

1. Features

C.I: 199; pH range: 3-11.

Usage amount: 0.3-2 g/ (determined according to the actual dosage of the user’s small-scale test).

Process: Padding (pick-up rate 70%) -> Pre-drying (100 degree C) -> Baking (175-190 degree C, 40-50 seconds).

Usage amount: 0.1-0.5%; Bath ratio: 1:10-20.

Dyeing time / pH value: 0.1-0.5%  1:10-20  120-130 degree C  30-60 minutes  4.5-5.5.

1. Suitable for the whitening and brightening treatment of polyester and its blended fabrics, and acetate fibers.
2. Suitable not only for exhaust dyeing but also for pad dyeing processes.
3. It has ideal light fastness and sublimation fastness characteristics.
4. It is relatively stable to reducing agents, oxidizing agents, and hypochlorite compounds.
5. The fluorescence intensity of this product is very high, and only a small amount of addition can meet the whiteness requirements.

Packaging: 25-kilogram plastic barrel, anti-freezing.