Introduction : UV-328 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-328 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

Molecular Weight : 351.5

Appearance : slight yellow powder

Melting Range : 80-88 degree

Flashpoint : 229 degree

Specific Gravity(20 degree ) : 1.17g/cm3