| Product Category | Fluorescent brightener-Plastic fluorescent brightener | |
| Product Name | Fluorescent brightener OB-1 | |
| Chemical Name | Distyryl bisbenzoxazole | |
| CAS No. | 1533-45-5 | |
| C.I. No. | 393 | |
| Molecular Formula | C28H₁₈N₂O₂ | |
| Molecular Weight | 414 | |
| Performance and Features | 1. High whitening strength and strong fluorescence. 2. Widely applicable, widely used in whitening polyester, nylon fiber and various plastics. 3. Excellent high temperature resistance and weather resistance. |
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| Scope of application | 1. Suitable for whitening polyester fiber, nylon fiber, polypropylene fiber and other chemical fibers. 2. Suitable for whitening and brightening polypropylene plastics, hard PVC, ABS, EVA, polystyrene, polycarbonate, etc. 3. Suitable for adding eight in conventional polymerization of polyester and nylon. 4. Especially suitable for whitening plastic products molded at high temperature. |
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| Application Method | Recommended dosage: Add OB-1 whitening agent to every 1000kg of material: 1. The amount added to EVA, polypropylene, nylon, polycarbonate, etc. is 75~200g. 2. The amount added to polyester fiber is 75~300g. |
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| Packaging and storage | 1kg×12 or 2kg×5 carton, 20kg iron drum or packed as required by the user, stored in a cool, dry place away from light. | |
| Technical conditions (technical indicators) | Appearance | Yellow powder |
| Melting point | 358-360℃ | |
| Purity | ≥99% | |
| Fineness | larger than 200 mesh | |
| Precautions | 1. This product information is for reference, research and identification only. Our company does not assume any responsibility or patent disputes caused by it. 2. If you have any technical or usage questions, please contact our company in time. | |
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