Light Stabilizer 622 CAS NO.65447-77-0

Light Stabilizer 622 Chemical Name: butanedioic acid，polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanolMolecular formula C28H52O4N2 Molecular Weight >2000 CAS# 65447-77-0 Introduction: Wh…

Light Stabilizer 622 Chemical Name: butanedioic acid，polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanolMolecular formula C28H52O4N2 Molecular Weight >2000 CAS# 65447-77-0 Introduction: White crystalline powder, soluble in methyl benzene, dimethyl benzene, chloroform and furan etc. insoluble in water, methanol, alcohol and hexane. Nitrogen Content:4.9% Softening Temperature:55-85℃Physical Properties: Appearance: white or yellowish crystalline PowderSoftening Temperature: 70 ℃min Ash: ≤0.2%Light Transmittance: 425nm≥95%500nm≥97% (10g/100ml methyl benzene)Volatiles: ≤0.5%(105℃,2hr)Applications: This product belongs to the newest generation of polymeric Hindered Amine Lighy Stabilizer, which has excellent hot processing stability. Terrific compatibility with resin, satistying extractibility against water and extreme low volatility and migratory.This product can be applied to PE.PP. Polystyrene, ABS, polyurethane and polyamide etc, optimum effects are obtained when used with antioxidants and UV-absorbers.It is one of the light stabilizers that are sanctioned by FDA to be used in food packages. Reference dosage in PE agricultural film: 0.3-0.6%.Package: 25kg net, carton with PE bag inside., or as requiredStorage: Keep away from moisture, overheat and light. It can be transported as common chemicals.