Topwhite PSB is suitable for applying to different plastic materials including polyolefin, rigid and soft PVC, PS, PP, PE, PMMA, ABS…etc. and especially it’s widely used in the soft PVC with excellent brilliant bluish white and totally exempted from bleeding which may occur from other optical brightener agents.
Topwhite PSB is a high temperature resistance product with decomposition temperature of 406°C.

Physical Properties
Appearance: Bright yellow-green powder
Purity: 92% min.
Melting point: 240 deg.C min.
Volatile content: 0.5% max.

Component by CAS No.
CAS No. of Topwhite PSB:
2397-01-5
99131-25-6
4782-17-6

Dosage (parts per hundred)
Rigid PVC: 0.002~0.02
Soft PVC: 0.01~0.1
PS: 0.002~0.02
PP: 0.002~0.02
PE: 0.002~0.02
ABS: 0.005~0.05

Packing and Storage
Net 25kgs fiber drum.

For more details, please contact us at tdpctw@gmail.com