Chemical Name:
2-(2-hydroxy-3, 5'-di-cumyl phenyl) benzotriazole
CAS#:
70321-86-7
Specification:
|
Appearance
|
Light yellow powder
|
|
purity
|
99%
|
|
Volatiles
|
≤0.5%
|
|
Ash
|
≤0.1%
|
|
Light transmittance |
≥97% (460nm) ≥98% (500nm) |
|
Melting point
|
137-141℃
|
Applications:
UV Absorber 234 is mainly used for polycarbonate, polyesters, polyacetal, polyamides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers. Protect materials from ultraviolet radiation.
Packing:
25kg carton, lined with plastic bag or according to customer's specified requirements
