Optical Brightener OB CAS No. 7128-64-5

Optical Brightener OB

Optical Brightener OB CAS No. 7128-64-5, Fluorescent whitening agent 184, CI 184, 2,5-Di (5-tert-butylbenzoxol-2-yl) thiophene,light yellow powder, white pigment powder optical brightening OB CAS 7128-64-5 chemical for powder coating powder odorless, Cas No. 7128-64-5, molecular formula C26H26N2O2S, mainly used in PVC, PS, PE, PP, ABS whitening and other plastics and acetate fiber, paint, ink and other whitening. Because of its good transmittance, it is suitable for whitening transparent plastic products,such as Plastic film whitening, PE PVC PS ABS PP Film whitening.

1.Performance Metrics

2.Application

(1) injection molding, blown film whitening, color masterbatch additive, PVC whitening

(2)PE whitener、PP whitener、PS whitener、ABS whitener

(3) transparent plastic products and hot-melt plastic whitening

(4)Coating whitener,  Paint whitener, ink whitener, wallpaper whitener

(5)Polyvinyl chloride, polystyrene, polypropylene, polyethylene, acrylonitrile, butadiene, styrene copolymer, styrene, acrylonitrile copolymer, butadiene cellulose acetate, polyamide (PA) , Poly(methyl methacrylate) , acrylic resin, polyester fiber (polyester) whitening agent

3. Usage

(1) polyvinyl chloride: 0.01 ~ 0.05% increase brightness: 0.0001 ~ 0.001%

(2) polystyrene: 0.0001 ~ 0.05% ABS: 0.01 ~ 0.05%

(3) colorless polyolefin matrix: 0.0005 ~ 0.001% ; white matrix: 0.005 ~ 0.05% ; White: 1-5 parts per million (10g)

Transparent material: 0.01 parts per million (0.1)(0.1 g-1 g)(can improve the brightness of PVC) ;

(4) PS whitening: 0.1 parts per million white (1g) ; 0.01 parts per million transparent (0.1 g-1g) ;

(5) ABS whitening: 1 part per million (10g-50g)(can effectively eliminate the inherent yellow in ABS)

(6) PE, PP whitening: colorless, 0.05 part per million (0.5 G-1g) white 0.5 part per million (5g-50g) ;

4.Packaging

25kg cardboard drum, lined with plastic bags or according to customer requirements packaging.