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UV-531 (BP-12)
Main chemicals | 2-hydroxy-4-(octyloxy)benzophenone |
CAS NO. | 1843-05-6 |
Moleculr formula | C21H26O3 |
Product feature | Light yellow crystal powder.soluble in acetone, benzene, ethanol, isopropanol, and insoluble in water. |
Technical indicators |
Melting point 47-49℃ Transmittance ≥90%(450nm); ≥90% (500nm) Ash ≤0.3% Heating Loss ≤0.2% |
Main use | Strong absorption wavelength 240-340nm UV for polyethylene, polypropylene, polyvinyl chloride, polystyrene, ABS resin and other plastic products. Has a light color, non-toxic, good compatibility with resin, easy processingfeatures. |
Recommended dosage | 0.1-0.5% |
Packing | 25 kg carton or fiber drum lined with plastic bag |
Storage | Storage in dry and ventilated warehouse, pay attention to moisture; away from the fire and heat source to avoid exposure is recommended.Shelf life is two years. |