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Chemical name: 2-[2'-hydroxy-3',5'-bis(-dimethyl benzyl)-phenyl]benzotriazole

Molecular Formula ： C30H29N3O

CAS NO.:70321-86-7

 Application ： UV-234 is a kind of yellowish powder, melting point is 139.5-141 ℃ , it is a fine light stabilizer, suitable for PP, TPE , hard PVC, POM, PA, PC, PBT/PET, PMMA,etc.

Specification ： 
Appearance: light yellow powder 
Melting Point: ≥ 139.5-141 ℃ 
Volatile Matter: ≤ 0.5% 
Ash Content: ≤ 0.05% 
Purity: ≥ 99% 
Transmissirity:        460nm≥ 97 %   500nm≥ 98% 

Packing: 25kg   paper drum or carton