Chemical Name: Light Stabilizer-944
Synonyms: Photo-stabilizer 944; Acetostab UV-944; HALS HS-944; Light Stabilizer HS-944; Light stabilizer UV-944
CAS No.: 70624-18-9
Appearance: White powder or light yellow granules
Package: 25kg carton inner with plastic bag or as customer’s requirement.
Sample: available
Light Stabilizer 944 Quick Details
Chemical Name: Light stabilizer 944
CAS No.: 70624-18-9
Chemical Structure: 
Typical Properties
| Item | Specifications |
| Appearance | White or light yellow solid |
| Light transmittance | ≥93% （425nm） ≥95% （450nm） |
| Molecular weight | 2000-3100 g/mol |
| Melting point | 110-130oC |
| Density | 1.05 g/cm3 |
| Volatiles | ≤0.5% |
| Ash | ≤0.1% |
Light Stabilizer 944 Typical usage
The product is 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.
Packaging and Shipping
Package: 25kg carton inner with plastic bag or as customer’s requirement.
Light Stabilizer 944 Storage
Storage: Keep container tightly closed in a dry and well-ventilated place.
Light Stabilizer 944 Features
Light stabilizer 944 is a polymeric high molecular weight hindered amine light stabilizer, with low volatility, migration resistance and high temperature resistance. It has excellent synergetic effect with antioxidants and UV absorbers.
Light Stabilizer 944 Safety
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
