Relysorb®622

Relysorb^®622

Chemical name:Butanedioic acid, dimethylester, polymer with 4-hydroxy-2,2,6,6- tetramethyl-1-piperidine ethanol

CAS number:65447-77-0

Molecular weight ：Mn = 3100 – 4000

Chemical formula：

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Specification

Appearance	White powder or Yellow granular
Melting range	50-70℃ min
Ash	0.05% max
Transmittance	425nm：97% min  ，450nm：98% min （10g/100ml methyl benzene）
Volatility	0.5%max

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Application 
        Light stabilizer 622 belongs to the newest generation of polymeric Hindered Amine Light Stabilizer, which has excellent hot processing stability. Terrific compatibility with resin, satisfying tractability against water and extreme low volatility and migratory. Light stabilizer 622 can be applied to PE.PP. Polystyrene, ABS, polyurethane and polyamide etc, optimum effects are obtained when used with antioxidants and UV-absorbers. Light stabilizer 622 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%.

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Packing and storing

25kgs carton (inner with plastic bag).

Store in dry places under 30℃ avoiding moisture and light.