Optical brightener for plastics

Optical brightener brightening colors or mask yellowing by optically yield a brighter, fresher appearance. Optical brightener agent synonym name OBA which is also known as fluorescent whitening agent(FWA) or fluorescent brightening agent(FBA).

Typical optical brightener for plastics includes FP-127, KCB, KSN, OB, OB-1.

• optical brightener FP-127(fluorescent brightener 378). It’s suited for all kinds of PVC products, highly effective and environment-friendly.
• optical brightener KCB (fluorescent brightener 376). It’s used to replace Clariant Telalux KCB. KCB is especially suited for EVA products, highly effective and environment-friendly.
• optical brightener KSN (fluorescent brightener 368). It’s used to replace Clariant Telalux KSN. KSN is especially suited for thermoplastics and engineering plastics with good weather resistance, highly effective, also environment-friendly.
• optical brightener OB (fluorescent brightener 184). It’s used to replace Ciba Uvitex OB, BASF Tinopal OB. OB is suited for all kinds of plastics with good light transmittance, excellent weather resistance, also environment-friendly.
• optical brightener OB-1(fluorescent brightener 393). It’s used to replace Eastman Eastobrite OB-1. OB-1 is suited for all kinds of plastics, effective, immigrant resistance, and environment-friendly.