Light Stabilizer 622

Product Name

Light Stabilizer 622

Product Code

LS-622

CAS No.

65447-77-0；70198-29-7

Chemical Name

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

Formula

(C15H25NO4)n

Molecular Weight

＞3000

Specification

Appearance：White to off-white dust free crystalline powder

Melting Point：55-70℃

Loss on drying：0.5%Max

Ash Content：0.1%Max

Transmittance：≥98.0%（425nm）；

≥99.0%（500nm）

Packing

25kg/drum or 25kg/carton

Application

LS-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.