RIASORB ® UV 123 is a NOR type HALS (Hindered Amine Light Stabilizer) with low basicity. RIASORB ® UV 123 can effectively protects coatings from gloss reduction, cracking, blistering and delamination. Especially recommended for coatings containing aggressive media such as acids, catalyst residues. It is s uitable for high performance industrial coatings, automotive coatings. RIASORB ® UV 123 can be used in combinati on with UV absorber to obviously improve the weathering performance.