UV-327

Ultraviolet absorber UV-327 is a benzotriazole ultraviolet absorber with excellent performance. Its chemical name is 2 - (2 '- hydroxy-3', 5 '- Di tert butyl phenyl) - 5-chlorobenzotriazole. The products sold on the market are usually light yellow or white powder, which is soluble in solvents such as styrene, benzene and methylbenzene. The absorption wavelength range is larger than that of UV-P, which can strongly absorb ultraviolet rays of 300-400 mm. The maximum absorption peak is 353 nm. It has good chemical stability, low volatility and good compatibility with polyolefins. It is especially suitable for polyethylene (PE), polyvinyl chloride (PVC), polystyrene and polypropylene (PP). It can also be used for polymethylmethacrylate, polyformaldehyde, unsaturated polyester, polymethyl methacrylate, polyurethane, ABS resin Polypropylene fiber, coating, colorant, adhesive, candle wax and other polymers. It has the advantages of low toxicity, non flammability, non corrosion and good storage stability. It has significant synergistic effect with thioester antioxidant DLTDP (ps800).