 Model Number |
light stabilizer 622 |
PROPERTIES
SUNOVIN 622 Hindered Amine Light Stabilizer
Chemical name:
Poly-(N- ß -hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate)
CAS NO: 65447-77-0
Molecular weight: > 3000
Chemical structure:
Specification:
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Appearance:
Transmittance
(10g/100ml methyl benzene):
Volatile:
Ash:
Molecular weight ( ):
|
white crystal powder
≥ 95％(425nm)
≥ 98％(500nm)
≤ 0.5 ％( 105 ℃, 2hrs )
≤ 0.1 ％
> 3000 (contrast with polystyrene )
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Softening Temperature(℃):
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55-70
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Application:
Hindered amine light stabilizer. It is used in light aging inhibition of polyethylene, polypropylene, polyurethane, metaformaldehyde, polyamine and polyester, also in ABS and engineering plastics.
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