Plastic Light Stabilizer Agent 622

Plastic Light Stabilizer Agent 622

Light Stabilizer Agent 622 is highly effective in PP, PE, EVA, PS, PA, PU, PVC, etc
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Product Details

Light Stabilizer Agent 622 for plastic

CAS NO.:65447-77-0

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


Formula:H[C15H25O4N]nOCH3


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.


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


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