HALS
Products
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HALS |
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[C35H25O4]nOCH3
Structure：
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%)
Ash Content： ≤0.1%
Light Transmittance： 425nm: ≥93%; 450nm: ≥95%
Solubility： Soluble in acetone, toluene, xylene, ethyl acetate, ethanol, chloroform ;Slightly soluble in methanol;Insoluble in water
Features and Usage： 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
Package： 25kg carton inner with plastic bag or as customer's requirement
Applicable base material: PP,PC,PE,TPU,PU,EVA,PA,
Application area： Electrical Appliances,Geomembranes,Sunshade Nets,Elastomers,Artificial Turf,Wood-Plastic Composite,Synthetic Rattan.
