Description
Product Name: UV-329
Chemical Name: 2-(2-Hydroxy-5-Tert-Octyl-phenyl)-Benzotriazole
CAS NO.: 3147-75-9
Specification:
| Item | Standard |
| Appearance | White to off-white powder |
| Melting point | 101℃ – 106℃ |
| Volatility | ≤0.5% |
| Transmittance | 440nm ≥ 97% |
| 500nm ≥ 98% | |
| Ash | ≤0.1% |
| Assay | ≥99% |
Uses: It is an excellent high effective ultraviolet absorber of benzotriazole type, it can absorb ultraviolet from wave 270nm to 340nm, and can be used in PVC, Polystyrene, unsaturated polyester, polycarbonate, polyethylene, ABS resin, Epoxy resin, and cellulose resin ect.it absorb little visible light, especially suited for colorless transparent material and semi-transparent material.it is allowed to be used in plastic container and packing material for food.
Packing: in 25kg net drum or as customer’s request.
Storage: It should be stored in a close system and kept in a dry, close and shade place.
