HS-622 CAS NO：65447-77-0

Product Name：Poly (4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)

Chemical: Poly (4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)                    

              
MF:   H[C15H25O4N]nOCH3

MW:  ＞3000

CAS NO：65447-77-0

Purpose：622 is a polymeric high molecular weight hindered amine light stabilizer, with low volatility, migration resistance, low alkalinity and high temperature resistance. It has synergetic effect with antioxidants and UV absorbers.It is effective in a broad range of polymers and applications. The product is particularly usefully in PE applications (injection molding, rotational molding, film, and tape), EVA, PP fibers, polyurethanes, polyacetals, polyamide, elastomers, adhesives etc. It is usually used in combination with antioxidants, UV absorbers to optimize performance in outdoor use.