UV light stabilizer 944

Light Stabilizer 944is 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 944
  • Appearance:

    White or Light Yellow Solid
  • Package:

    25 Kgs Carton
  • Product Detail

Chemical Name:

Poly-{[(1,1,3,3-tetramethylbutyl )amino)-1,3,5-triazine-2,4-diyl}[2,2,6,6- tetramethyl-4-piperidyl]imino]-1,6-hexanediyl[(2,2,6,-tetramethyl-4-piperidyl)imino]]}Formula:[C35H66N8]n (n=4-5)


CAS#:

70624-18-9


Specifications:

Item
Specification
Appearance
White or light yellow solid
purity
99%
Volatiles
≤0.5%
Ash
≤0.1%

Light 

transmittance

≥93% (425nm) 

≥95% (450nm)

Molecular weight
2000-3100 g/mol
Melting point
110-130℃


Application:

Light Stabilizer 944is suitable for various polymer materials such as polyolefin materials, cross-linked polyethylene, olefin copolymers, PS, PA, PU, flexible PVC etc., especially thin products and silk fabrics.

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






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