Light Stabilizer 622

CAS NO.：65447-77-0
Product type：HALS
Chemical Name：Poly (4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
Formula：H[C15H25O4N]nOCH3
Molecular Weight：≥3000

Features and Application Area：Light stabiizer 622 is a high molecular HALS with low volatility, migration resistance, low alkalinity and high temperature resistance. It has synergetic effect with antioxidants and UV absorbers.

Light stabilizer 622 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.

Appearance：                 White or white like solid
Softening Point：          50-70℃
Weight Loss Point：     350℃(5.0%)
Loss On Drying：           ≤0.5%
Light Transmittance：425nm: ≥98%; 500nm: ≥99%
Ash：                               ≤0.1%

Material：PP,PC,PE,TPU,PU,EVA,PA,POM,TPE

Product Description：
Electrical Appliances,Sunshade Nets,Elastomers,Artificial Turf,Wood-Plastic Composite,Synthetic Rattan,Rotational Moldings,Non-woven Fabrics,PVC Materials,Wires and cables,New Energy,Greenhouse Film,Mulch Film,Drip Irrigation Belts,Bug Screens,Silage film

Package & Storage：25kg carton inner with plastic bag or  as customer's requirement

Cautions：Avoid direct sunlight, moisture, high temperature.Testing is required before use.