Light Yellow Crystal UV - P Tinuvin P Ultraviolet Absorbers P , cas no. 2440 - 22 – 4
Quick Detail :
UV - P is a very low volatile, dimeric 2 - hydroxy benzotriazole UV-absorber used in a varity of polymers and resin composition.
Description :
- Name: UV - P
- Chemical name: 2 - ( 2H - Benzotriazol - 2 - yl ) - p - cresol
- CAS No.: 2440 - 22 - 4
Applications :
UV - P is an effective light stabilizer for variety of polymers including styrene homo-and copolymers , engineering plastics such as polyesters and acrylic resins , polyvinyl chloride , and other halogen containing polymers and copolymers , acetals , elastomer and cellulose esters . Elastomers , adhesives , polycarbonate blends , polyurethanes , and some cellulose esters and epoxy materials .
Specifications :
Appearance | Light Yellow Crystal |
Assay (GC) | 99% min |
Melting Point | 128-132 |
Volatile | 0.3% max |
Ash | 0.1% max |
Transmittance | 440nm 98.0% min |
500nm 99.0% min |
Competitive Advantage :
UV-P features a strong absorption of ultraviolet radiation in the 300-400 nm region . It also has a high degree of photostability over long periods of light exposure .
Light Yellow Crystal UV - P Tinuvin P Ultraviolet Absorbers P , cas no. 2440 - 22 4