Tetrakis(1,2,2,6,6-pentamethyl-4-piperidyl)1,2,3,4-butanetetracarboxylate
Tetrakis(1,2,2,6,6-pentamethyl-4-piperidyl)1,2,3,4-butanetetracarboxylate is a high-performance hindered amine light stabilizer (HALS) widely used in polymer and coating industries. It protects plastics, coatings, and elastomers from UV-induced degradation, ensuring long-term durability and color retention.