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light stabilizer 622
light stabilizer 622

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light stabilizer 622. This product belongs to the newest generation of polymeric Hindered Amine Lighy Stabilizer

Light Stabilizer 622
Chemical Name:  butanedioic  acid,polymer  with  4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol
Molecular formulaC15n+1H25n+4O4n+1N


Molecular Weight
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 degree
Physical Properties:
Appearance:white or yellowish crystalline Powder
Softening Temperature:70 degree minAsh:≤0.2%
Light Transmittance:425nm≥95%
500nm≥97%  (10g/100ml methyl benzene)     
Volatiles: ≤0.5%(105 degree,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 required
Storage:  Keep away from moisture, overheat and light. It can be transported as common chemicals.

light stabilizer 622

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