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Yellow Powder 2440 22 4 UV Absorber UV P For Epoxy Resin
UV-P has low volatility and good thermal stability. It hardly absorbs visible light, and is especially suitable for colorless, transparent and light colored products.
Chemical Name: 2-(2 '-hydroxy-5' -methylphenyl) benzotriazole
CAS NO. :2440-22-4
Chemical Structure:
Specification Benzophenone
| Test Item | UV-P |
| Appearance | Yellow powder |
| Molecular weight | 225.3 |
| Melting point | 125-130°C |
| Weight loss point | 163℃(5.0%) |
| Volatiles | ≤0.5% |
| Light transmittance | ≥95% (440nm) ≥97% (500nm) |
| Ash | ≤0.1% |
Application
UV-P is mainly used in PVC, PP, unsaturated resin, PC, PMMA, PE, ABS resin, epoxy resin, fiber resin etc.
It can be used together with phenolic antioxidants and phosphite antioxidants.
Storage
Keep container tightly closed in a dry and well-ventilated place.
Package
25kg carton inner with plastic bag or as customer`s requirement.