Description
Sinosorb® BP-2 CAS 131-55-5
| Appearance | Light yellow crystalline powder |
| Molecular weight | 246 |
| Content | ≥ 99.0% |
| Melting point | ≥195.0℃ |
| Flash point | 289.2°C |
| Density@20℃ | 1.53g/cm3 |
| Ash | ≤0.1% |
| Volatile part | ≤0.5% |
| Absorbance A1/1(345nm) | ≥580 |
Sinosorb® BP-2 Usage
1. UV absorber BP-2 is a benzophenone UV absorber, capable of absorbing 320-400nm UV light. With symmetrical benzene ring and hydroxyl groups on both sides, it has very stable photothermal chemical properties. It is suitable for polyester, PVC, resin lens, fabric coating, especially for sunscreen products, improving stability and color fastness. The general dosage is 0.1-0.5%.
2. UV absorber BP-2 is suitable for: polyester, coatings and cosmetics, etc. In recent years, the application in the textile industry by the importance of the textile industry, the range is increasingly wide.
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