NAME:Optical brightener; 4, 4’-Bis (2-benzoxazolyl) stilbene |
CAS NO.: 1533-45-5 |
EINECS: 216-245-3 |
Molecular formula: C28H18N2O2 |
Molecular weigh: 414.46 |
Structure formula:![]() |
1, suitable for polyester fiber, nylon fiber and polypropylene fiber and chemical fiber's whitening.
2, suitable for polypropylene plastics, hard PVC, ABS, EVA, polystyrene, polycarbonate's whitening and brightening.
3, suitable for polyester and nylon conventional polymerization
Appearance |
Brighter yellowcrystalline powder |
Melting point |
357-360℃ |
Purity |
≥99% |
Particle size (mesh) |
≥300 |
Recommended usage: every 1000 kg material adds OB - 1:
1, EVA, polypropylene fiber, nylon, polycarbonate add quantity between 75 ~ 200 g.
2, polyester fiber adds quantity between 75 ~ 300 g.
10 kg in carton/25kg in fiber drum packaging. Stored in a cool, ventilated and dry place and avoid light direct illuminating.
1, the product information is for reference only. If you have any technical or use question, please contact with us.
2, this product information is only for reference, research and appraisal. This company will not be responsible for the responsibility or patent dispute cause by it.
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