Tinuvin 5151 Blend of a hydrophilic 2-(2-hydroxyphenyl)-benzotriazole UV absorber (UVA) and a basic hindered amine light stabilizer (HALS). Tinuvin 5151 Used in industrial, decorative, plastic, metal coatings, wood stains and varnishes, wood care products, general industrial paints, heavy duty maintenance and marine coatings, architectural coatings (roof tiles, walls, floor coatings), glass and ceramic coatings (architectural glazing, packaging) and refinish coatings. Tinuvin 5151 Imparts superior coating protection against gloss reduction. Tinuvin 5151 Possesses cracking, blistering, delamination and color change.