描述
UV-320 CAS 3846-71-7
| 外观 | 白色粉末 |
| 内容 | ≥99% |
| 熔点 | 152-156°C |
| 挥发物 | ≤ 0.3% |
| 灰烬 | ≤ 0.1% |
| Light transmission | 460nm: ≥97% |
| 500nm: ≥98% |
UV-320 Usage
UV-320 is a highly efficient light stabilizer with high UV absorption capacity and low volatility; it can effectively protect polyesters and organic colours from UV radiation, thus protecting the original physical appearance of moulded objects, rolls, fibres, etc. in the open air; it is suitable for polymers such as PVC and unsaturated polyester.
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