Light Stabilizer 622

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


CAS NO.:65447-77-0


Molecular Weight:>2500

Appearance White coarse powder or light-yellow granules
Melting Range 50-70℃
Volatile Matter ≤0.5%
Relative Density 1.18g/cm3
Weight Loss Point: 350℃(5.0%)
Light Transmittance 425nm: ≥93%; 450nm: ≥95%
Ash Content ≤0.1%

Solubility:Soluble in acetone, toluene, xylene, ethyl acetate, ethanol, chloroform ;Slightly soluble in methanol;Insoluble in water.

Features and Application Area:622 is a high molecular HALS with low volatility, migration resistance, high temperature resistance etc, has synergetic effect with antioxidants and UV absorbers. HALS 622 is highly effective in PP, PE, EVA, PS, PA, PU, PVC, etc

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

Pack & Store:25kg carton inner with plastic bag or as customer's requirement

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

Product Description:Electrical Appliances,Geomembranes,Sunshade Nets,Elastomers,Artificial Turf,Wood-Plastic Composite,Synthetic Rattan.

Company Info

Henan Wising Chem Co., Ltd