China UV Absorber UV-531, Find details about China Light Stabilizer, UV Absorber from UV Absorber UV-531
| Chemical Name | 2-hydroxy-4-octoxy-benzophenone |
| Formula | C21H26O3 |
| CAS NO | 1843-05-6 |
| Molecular Weight | 326 |
| Appearance | Slight yellow powder |
| Light Transmittance | 450nm≥90% 500nm≥95% |
| Volatile Matter | < 0.5% |
| Softening Point | 47~49ºC |
| Solubility | Soluble in Acetone,Benzene,Chloroform,Ethanol. Insoluble in water. |
| Application | 1.Unsaturated Polyester : 0.2-0.5wt% based on polymer weight 2.PVC:Rigid PVC : 0.2-0.5wt% based on polymer weight Plasticized PVC : 0.1-0.3wt% based on polymer weight 3.Polyurethane : 0.2-1.0wt% based on polymer weight 4.Polyamide : 0.2-0.5wt% based on polymer weight |
| Recommend Dosage | 0.1% ~0.5% |
| Cautions | Avoid direct sunlight,moisture,high temperature. Testing required before use. |
| Package and Storage | 25KGS Drum /Carton with PE liner inner or customized. |