Optical Brightener OB

C.I.NO.: OBA184
CAS NO.: 7128-64-5
Appearance: Light yellow or milk white powder
Purity: ≥99.0%
Melting point:196-203℃
Application: Mainly used for PVC, PF, PP, PS, ABS, SAN, SB, CA, PA, PMMA. Can be used for paints, coatings and printing inks.

Optical Brightener OB-1

C.I.NO.: OBA393
CAS NO.: 1533-45-5
Appearance: Bright yellowish green crystal powder
Purity: ≥98.5%
Melting point: 357-360℃
Application: Mainly used for PE, PP, PVC, HDPE, ABS, PC, PA. Can be used for dacron, polyester, food packaging and toys.

Optical Brightener KSN

C.I.NO.: OBA368
CAS NO.: 5242-49-9
Appearance: Yellowish green crystal powder
Purity: ≥99.0%
Melting point: 275-280℃
Application: Mainly used for polyester fiber, plastics, film. Can be used for PA, acrylic fibers.

Optical Brightener KCB

C.I.NO.: OBA367
CAS NO.: 5089-22-5
Appearance: Yellowish green crystal powder
Purity: ≥99.0%
Melting point: 210-212℃
Application: Mainly used for EVA. Can be used for PE, PP, PVC, PS, ABS, film.

Optical Brightener FP-127

C.I.NO.: OBA378
CAS NO.: 40470-68-6
Appearance: Yellowish or milk white crystal powder
Purity: ≥99.0%
Melting point: 219-220℃
Application: Mainly used for PVC, PS, man-made leather. Can be used for coatings and printing inks.