Chemical name: 2,2,6,6-tetramethyl-4-piperidinyl stearate CAS No.167078-06-0 Molecular formular: C27H53NO2 Molecular weight 423.7 Appearance: White waxy solid Purity, %: 99min. Melting point, degree: 28min. Ash, %: 0.5max. Saponification value, mgKOH/g: 128-137 Transmittance, % 425nm 90min. 450nm 95min. LIGHT STABILIZER UV3853 is a new type of hindered amine light stabilizer, which protects the plastic from the damage of UV light. It has excellent stability to the surface of plastic such as luster, pulverization, yellowing. It has good compatibility, no phenomenon of bloom nor migration. It has excellent synergy with other stabilizer, especially with HALS and uv absorber of high molecular weight. It is used for polyolefin plastics, PU, ABS resin, paint, adhesives, rubber, etc.