UV-326 TECH DATA SHEET

UV Absorber 326 (UV-326)

Chemical Name: 2-(2'-hydroxy-3'-tert-butyl-5'-methyl phenyl) -5-chloro benzotriazole

Cas No. 3896-11-5

Structural formula:

Specifications:

Appearance: Yellowish powder

Purity:≥99.0% by HPLC

Volatile matter:≤0.5%

Melting point:137.0-142.0°C

Ash content:≤0.1%

Transmittance: 460nm 93.0%min

500nm 96.0%min

Packing: 20/25kg fiber drums or carton box

Applications: UV-326 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-326 is especially suited for polyolefins and cold cured polyesters. It protects polymers from UV radiation helping to preserve the original appearance and physical integrity, especially for polyolefins and polyester resins.

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