UV absorber UV-234

　　Alias: (2-hydroxy-3,5 bis (a, a-dimethylbenzyl) phenyl) benzotriazole

　　Appearance: light yellow powder.

　　Melting point: 139.5-141°C.

　　Volatile matter: ≤0.5%.

　　Ash: ≤0.05%.

　　Purity: ≥99%.

　　Light transmittance: 460nm≥97%; 500nm≥98%.

　　Product usage and precautions

　　It is an excellent light stabilizer, suitable for PP, TPE, hard PVC, POM, PA, PC, PBT/PET, PMMA, etc.

　　The general dosage of this product in plastic is 1%～3%.