UV Absorber 326 CAS 3896-11-5

Application:

UV absorber UV-326 is a benzotriazole light stabilizer, 2'-(2'-hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole. UV-326 can absorb ultraviolet light of 280-370nm, has good stability, low toxicity, and no irritation to the human body. It is widely used in coatings, synthetic rubber, synthetic fibers, photosensitive materials, etc. It can effectively improve the light resistance of these materials and reduce yellowing and aging caused by ultraviolet excitation in sunlight.