Product Name: UV-329
Chemical Name: 2-(2'-hydroxy-5'-tert-octyllphenyl)benzotriazole
Formula: C20H25N3O
CAS No.: 3147-75-9
Structural formula:

Application:
UV-329 is suitable for polyester, rigid PVC, PS, PMMA, PC, ABS resin, etc. It effects better in a transparent products and engineering plastics under high temperature processing. This product can also be used for polyolefin.
Appearance | White powder |
Purity | ≥99% |
Melting point | 103~105℃ |
Loss on drying | ≤0.5% |
Ash | ≤0.1% |
Transmittance | 440nm≥97% 500nm≥98% |
Packing: 20/25 kg per carton