• Introduction : UV-329 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-329 is an effective light stabilizer for a variety of plastics and other organic substrates.
• Molecular Weight : 323
• Appearance : white powder
• Melting Range : 103-105 degree
• Flashpoint : 150 degree
• Specific Gravity(20 degree ) : 1.18g/cm3