UV-329

Product introduction:

UV absorber UV-329, namely 2 - (2 '- hydroxy-5' - teroctylphenyl) benzotriazole, is an efficient anti-aging additive with excellent performance. It is soluble in benzene, styrene, dichloromethane and cyclohexane, slightly soluble in alcohols and insoluble in water; It can effectively absorb 270-380 nm ultraviolet light; Non flammable, non explosive, non-toxic, safe and harmless.

CAS：3147-75-9

Molecular formula: C20H25N3O

Molecular weight: 323.43

Structural type:

Physicochemical properties: off white powder, volatile matter: ≤ 0.5%, melting point: 101-106 ℃, ash: ≤ 0.05%, light transmittance: 440nm ≥ 97%, 500nm ≥ 98%

Product purpose:

UV-329 is widely used in PE, PVC, PP, PS, PC, polypropylene fiber, ABS resin, epoxy resin, resin fiber and vinyl acetate. It can also be used in packaging materials such as plastic containers and food packaging boxes, providing them with good light stability and almost no absorption of visible light. It is especially suitable for colorless, transparent and light colored products.