BLS 1328 (25973-55-1) is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. BLS 1328 protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.
Chemical Name: 2-(2’-Hydroxy-3’, 5’-di-tert-amylphenyl) benzotriazole
CAS Number: 25973-55-1
Product Form: Solid Melting Point: 80-88oC
Molecular Weight: 351.5 g/mol
Product Details: Please view our BLS 1328 PDF