UV light stabilizer 622

Light stabilizer 622 is a polymeric high molecular weight hindered amine light stabilizer, with low volatility, migration resistance, low alkalinity and high temperature resistance. It has synergetic effect with antioxidants and UV absorbers.

  • Product Origin:

    China
  • Type:

    UV stabilizer 622
  • Appearance:

    White Crystal Powder or Granules
  • Package:

    25 Kgs Carton
  • Product Detail

Chemical Name: 

Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1, 4-butanedioic acid)


Formula: 

H[C15H25O4N]nOCH3


CAS#:

65447-77-0


Specifications:

Appearance
White crystal powder or granules

Light 

transmittance

≥98% (425nm)

≥99% (500nm)

Molecular weight
>3000 g/mol
Melting point
≥50℃
Volatiles
≤0.5%
Ash
≤0.1%


Application:

Light stabilizer 622 is effective in a broad range of polymers and applications. The product is particularly usefully in PE applications (injection molding, rotational molding, film, and tape), EVA, PP fibers, polyurethanes, polyacetals, polyamide, elastomers, adhesives etc. It is usually used in combination with antioxidants, UV absorbers to optimize performance in outdoor use.

Package: 
25kg/carton or as customer's requirement. 500kgs/pallet.


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