Excellent Compatibility Low Volatility Light Stabilizer UV Absorber Powder UV944
CAS NO.: 70624-18-9
Formula:[C35H66N8]n (n=4-5)
Structure:
Molecular Weight:2100-3000
Appearance:White powder or light-yellow granules
Melting Range:110-130ºC
Volatile Matter:≤0.5%
Relative Density:1.01g/cm3
Weight Loss Point:371ºC(5.0%)
Light Transmittance:425nm: ≥93.0%; 450nm: ≥95.0%
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:944 is a high molecular HALS with low volatility, migration resistance, high temperature resistance etc., has synergetic effect with antioxidants and UV absorbers. HALS 944 is highly effective in PE/PP/PS/PA/PU/PVC, especially in films and fibers.
UV-944 is a high molecular weight hindered amine light stabilizer (HALS). It shows excellent compatibility, high resistance to extraction and low volatility.Mainly used for polyolefins (PP, PE), olefin copolymers,such as EVA as well as blends of polypropylene with elastomers.
UV-944 is also in highly effective in polyacetals polyamides, polyurethanes, flexible and rigid PVC, as well as PVC blends and adhesive specialty applications. Main used for Geomembranes, Waterproof Clothes, Sunshade Nets,Artificial Turf, Synthetic Rattan, Functional Films
Cautions:Avoid sunlight, moisture, and high temperature, substances with sulfur or halogen such as some stabilizers, flame retardants and pesticides. Testing required before use
Pack & Store:25kg carton inner with plastic bag or as customer's requirement
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