UV absorber UV-326 Molecular formula: C1He8N3OCL CAS NO：3896-11-5 Chemical name: 2- (- hydroxy-3-tert-butyl-5 "- methylphenyl) -5-chlorobenzotriazole

Features and Applications/Product Characteristics

UV-326 is a benzotriazole based ultraviolet absorber that serves as both a light stabilizer and antioxidant. Capable of absorbing 270-380 nanometers of ultraviolet light, with a peak absorption of 353 nanometers. It has the characteristics of good compatibility, low volatility, good thermal stability, high absorption efficiency, and does not react with metal ions or form colored substances. Suitable for polyethylene, polypropylene, polyamide, polyvinyl chloride, polystyrene, ABS resin, epoxy resin, unsaturated resin, cellulose resin, especially suitable for colorless and light colored products, food grade products. The general dosage is 0.1-0.5%.

Appearance: Light yellow powder

Molecular weight: 315.8

Content ≥ 99.0%

Melting point: 144-147 ° C

Flash point: 232.3 ° C

Density @ 20 ℃: 1.26g/cm3

Ash content ≤ 0.1%

Volatile matter ≤ 0.3%

Transmittance 460nm ≥ 97%, 500nm ≥ 98%

Packaging specification: 25kg cardboard box and paper drum

Suitable for: polyolefins (especially food grade products), polyvinyl chloride, polyamide, ABS resin, AS resin, polyurethane, etc