A light stabilizer belonging to the benzotriazole class of UVAs. RIASORB UV-328 is a strong ultraviolet light absorber in the 290-400nm region. It provides effective light stabilization and prevents the yellowing and degradation of polymers such as PVC, unsaturated polyester, acrylics, ABS, thermoplastic urethanes, moisture cured polyurethanes, two component epoxies and urethanes, oil alkyds and thermosetting acrylic enamels.

Category: UV Absorbers
Source: Rianlon Corporation
Industry: PVC
Technical Data Sheet (TDS): View