Chisorb® 320 is one of a family of substituted benzotriazoles which protect against ultraviolet radiation. It has a low pKa and a hindered phenolic group. As a result, the molecule is more stable to acid and alkali, and less affected by the reducing and oxidizing agents commonly used in polymerization and curing. Also, it is much less sensitive to metal containing ingredients which cause discoloration, impaired performance and other problems. This pale yellow, crystalline powder should prove valuable as a light protective agent for polyolefins and cold-cured polyester resin.
Double Bond Chemical Ind., Co., Ltd. (DBC) specializes in Coatings additives such as antioxidants, UV absorbers, light stabilizers, heat stabilizers, flame retardants, dispersing agents, and brighteners, as well as UV curable products such as oligomers and monomers. Headquartered in Taipei, Taiwan, DBC has six manufacturing sites, 200 reactors, and over 400 experienced employees ready to serve your needs.
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