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Light Stabilizer 622

 

Chemicalname: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:

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