Bulk price CAS NO: 65447-77-0 UV Stabilizer 622 622 is a high molecular HALS with low volatility, migration resistance, high temperature resistance etc, has synergetic effect with antioxidants and UV absorbers. Material: PP,PC, PE, TPU,PU,EVA,PA.
Product Name: UV Stabilizer 622 Chemical Name: Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1, 4-butanedioic acid) Formula: H[C15H25O4N]nOCH3 CAS NO. 65447-77-0
Specifications: Molecular Weight: 2500min Appearance: White coarse or pale yellow granules Melting Point: 50-70ºC Volatile Matter: ≤0.5% Relative Density: 1.18g/cm3 Weight Loss Point: 350ºC(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
Pack & Storage: 25kg/carton or as customer's requirement. 500kgs/pallet. Quantity: 10mts/20'fcl with pallet or 12mts/20'fcl without pallet.
Cautions: Avoid direct sunlight, moisture, high temperature, substances with sulfur or halogen such as some stabilizers, flame retardants and pesticides. Testing required before use.
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