Light Stabilizer UV-622, poly(1-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxypiperidine) succinate.
Light Stabilizer UV-622 is suitable for polyethylene, polypropylene, polystyrene, olefin copolymer, polyester, soft polyvinyl chloride, polyurethane, polyoxymethylene and polyamide.
Light Stabilizer UV-622 is a polymeric high molecular weight hindered amine light stabilizer. It is resistant to migration, extraction, gas fading, low volatility, good thermal stability, and synergistic effect with antioxidants and UV absorbers. And it has good compatibility with resin widely used in PP, PE, PS, ABS, PU, POM, TPE, etc.
