UV Absorber UV-3030
Chemical Name: Pentaerythritoltetrakis (2-Cyano -3,3-Diphenylacrylate);
CAS No.：178671-58-4
Structural formula：
Molecular formula ：C69H48O8N4 Molecular weight：1061
Specifications：
| Item | Standard |
| Appearance | White or off-white crystal powder |
| Assay | ≥ 99.00% |
| Volatility | ≤ 0.50% |
| Melting Point | 174℃- 178℃ |
| Transmittance(0.25g/100ml N,N-Dimethylformamide） | 460nm ≥ 99.00% |
| 500nm ≥ 99.00% |
Applications:
UV-3030 can absorb the 280-320nm ultra-violet ray，it has good
thermal stability and low volatility，it can be used in the polymers at high extrusion temperature. It is applicable for PA、PET，especially applicable for PC.
