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Light Stabilizer 622

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Affiliated category
Spandex Aids
Publish time
2018/10/08 16:02
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Details
  Light Stabilizer 622
Chemical name
Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl )succinate
CAS NO
65447-77-0
Molecular formula
H[C15H25O4N]NOCH3
Structural formula
SPARK GROUP
Quality standard
Appearance
White or pale yellow granular
Transmittance
λ=425nm, %    ≥95.0
λ=500nm, %    ≥97.0
Volatile
0.5%max(105℃)
Ash
0.10%max
Molecular weight
(Mn):> 2500 (contrast with polystyrene)
Packing
25kgs cardboard or drum (inner with plastic bag) or according to the customer's demands.
Storage
Store in dry places under 30℃, avoiding heat and moisture.
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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