HALS 944 – Hindered Amine Light Stabilizer
P®LS-944 is a high molecular weight hindered amine light stabilizer (HALS) designed to provide long-term protection against UV degradation in polymers. It is widely used in polypropylene (PP), polyethylene (PE), polyolefin copolymers and other polymer applications. As a vertically integrated HALS manufacturer, Polytai produces both key intermediates and finished light stabilizers, helping ensure consistent product quality, competitive pricing and reliable supply.
| Name: | P®LS-944 | |
| CAS NO: | 71878-19-8 | |
| Chemical Structure: | ![]() |
|
| Specification | Appearance | White or light yellow particles |
| M.W. | 2000-3100 | |
| Melting Range(℃) | 100-135 | |
| Light transmittance | 425nm≥93% 500nm≥95% | |
| Application: | Suitable for polyolefin (PP, PE, etc.), polyolefin copolymer, nylon, polyacetal, polyester and other polymer products, can effectively prevent the occurrence of photo-aging phenomenon, such as mechanical strength decline, yellowing, etc., improve the weather resistance of products. | |
| Storage: | Store in a cool, dry and ventilated place, away from light, high temperature and moisture. | |
| Package: | 25kg/ carton or customer required packing. | |

