OMNISTAB® UV 326 is chemically phenol, 2-(5-chloro-2H-benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methyl. It acts as a UV absorber belonging to hydroxyphenyl benzotriazole class which imparts good light stability to a variety of polymers. Especially suited for polyolefins. It has a wide range of indirect food approvals in polyolefins. OMNISTAB® UV 326 possesses low volatility and high resistance to thermal degradation making it particularly useful in polyolefin compounding and molding processes.