| Product Category | Fluorescent brightener-Plastic fluorescent brightener | |
| Product Name | Fluorescent brightener KCB | |
| Chemical Name | 1,4-Di(benzoxazolyl-2-yl)naphthalene | |
| CAS No. | 5089-22-5 | |
| C.I. No. | 367 | |
| Molecular Formula | C24H₁4N₂O₂ | |
| Molecular Weight | 362 | |
| Performance and Features | This product is a bright yellow-green powder, insoluble in water, with excellent light resistance and heat resistance, does not react with foaming agents, cross-linking agents, etc., has no exudation and extraction, and the maximum absorption wavelength of the spectrum is 370nm. | |
| Scope of application | Fluorescent brightener KCB is mainly used for whitening synthetic fibers and plastic products. It also has a significant brightening effect on colored plastic products. It is widely used in plastic films, die-casting materials, injection molding materials, etc. It has an excellent whitening effect on polyolefins, PVC, foamed PVC, TPR, EVA, PU foam, synthetic rubber, etc. It can also be used for whitening coatings, natural paints, etc. It has a special effect on foamed plastics, especially EVA and PE foam. | |
| Application Method | Recommended dosage: 0.005%0.05% (weight ratio to plastic raw material) | |
| Packaging and storage | 1kg×10 carton packaging, lined with plastic bags, or packaged according to customer needs, stored in a cool, dry place away from light. | |
| Technical conditions (technical indicators) | Appearance | Yellow-green powder |
| Color | Bright blue-white | |
| Melting point | 210℃-212℃ | |
| Purity | ≥99% | |
| Fineness | More than 100 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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