UV Absorber UV-P CAS 2440-22-4, Best price from China supplier factory
TNJ Chemical is a China factory, supplier and manufacturer of UV Absorber UV-P CAS 2440-22-4 with plant site in Feidong Anhui Province. We are certified by GMP, ISO and SGS organization and specialize in chemical since from 2001. To buy bulk quantity UV Absorber UV-P CAS 2440-22-4 at wholesale discounted price, please send your price inquiry to sales@tnjchem.com
Application & Function
UV-P is a benzotriazole type UV absorber. Characterized by its stron, broad range UV absorption property, UV-P brings an excellent photostability to polymers against UV light exposure in many ways i.e. retarding color yellowing , preventing embrittlement, maintaining of mechanical properties etc. UV-P is particularly effective in styrenic polymers, PVC, unsaturated polyesters polyurethanes, acrylic polymers and polycarbonates
1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight
2. PVC:
Rigid PVC : 0.2-0.5wt% based on polymer weight
Plasticized PVC : 0.1-0.3wt% based on polymer weight
3 .Polyurethane : 0.2-1.0wt% based on polymer weight
4. Polyamide : 0.2-0.5wt% based on polymer weight
Specification
|
Appearance |
White to Pale yellow powder |
|
Purity |
99.0% min |
|
Melting point |
128.0-132.0°C min |
|
Loss on drying |
0.5% max |
|
Ash |
0.1% max |
|
Transmittance( 460nm) |
97%min |
|
Transmittance( 500nm) |
98% min |
