ULTRAVIOLET ABSORBER UV-326

Product Name（Include alias）：Light stabilizer UV-326; 2 - (2 '- hydroxy-3' - tert butyl-5 '- methylphenyl) - 5-chlorobenzotriazole
MODEL NO：
Purity：99%
CAS No：3896-11-5
Molecular Formula：C17H18ClN3O
Technical indicators:
1、Appearance：Light yellow powder
2、Melting Point：138-141℃
3、Volatile：≤0.3%
4、Transmittance： 460nm   ≥ 98%
500nm   ≥ 99%
5、Loss on Drying：≤0.5%
6、Ash Content：≤0.1%
7、Solubility：Acetone 1; Chloroform 11; Ethyl acetate 2; N-hexane 1; Methanol 0.1; Dichloromethane 9。
Package：20kg PE Bag
Application：It is mainly used for PVC, polystyrene, unsaturated resin, polycarbonate, polymethylmethacrylate, polyethylene, ABS resin, epoxy resin, etc; As a light stabilizer, this product can effectively absorb ultraviolet light with wavelength of 270-380 nm. It is mainly used for polyvinyl chloride, polystyrene, unsaturated resin, polycarbonate, polymethylmethacrylate, polyethylene, ABS resin, epoxy resin and cellulose resin; This product hardly absorbs visible light. It is especially suitable for colorless, transparent and colored products. The general dosage is 0.1-0.5% in thin products and 0.05-0.2% in thick products. This product is allowed to be used for plastic products in contact with food。