Siwin-LS944
Light stabilizer
The Light Stabilizer 944 is a type of high molecular weight hindered amine light stabilizer that is made from polymers. It has a low level of volatility, is resistant to migration, and can withstand high temperatures. When used in conjunction with UV absorbers and antioxidants, it has a remarkable synergistic effect.
Typical Physical Properties
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]]}
Cas No.:70624-18-9
Appearance | White or light yellow solid |
Light transmittance | ≥93% (425nm) ≥95% (450nm) |
Molecular weight | 2000-3100 g/mol |
Melting point | 110-130℃ |
Density | 1.05 g/cm3 |
Volatiles | ≤0.5% |
Ash | ≤0.1% |
Applications
This product is ideal for use in a variety of polymer materials, including polyolefin materials, cross-linked polyethylene, olefin copolymers, PS, PA, PU, flexible PVC, and more. It is particularly well-suited for use in thin products and silk fabrics.
Packaging and Storage
Package: 25kg carton inner with plastic bag or as customer`s requirement.
Storage: Keep container tightly closed in a dry and well-ventilated place.
The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling.
All safety information is provided in the Safety Data Sheet.
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