Product Name: UV-328
Chemical Name: 2-(2'-Hydroxy-3',5'-di-tert-pentylphenyl)-benzotriazole
Formula: C22H29N3O
CAS No.: 25973-55-1
Structural formula:

Application:
UV-328 is suitable for polyolefin (especially PE), polyester, styrene polymers, polyamide, PMMA, PC, elastomers, etc.
Appearance | Light yellow powder |
Purity | ≥99% |
Melting point | 80~83℃ |
Loss on drying | ≤0.5% |
Ash | ≤0.1% |
Transmittance | 460nm≥97% 500nm≥98% |
Packing: 20/25 kg per carton