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Fluorescence Whitening Agent >> OB-1
| Main Components |
2,2'-(Vinylenedi-p-phenylene)-bisbenzoxazole |
| CAS NO. |
1533-45-5 |
| Molecular Formula |
C28H18N2O2 |
| Property |
Yellowish green crystal powder. Insoluble in water. Good thermal endurance, particularly suitable for high melting point resin such as polyester, has excellent whitening effects and its dosage is small. |
| Specification |
Melting point 353 -359 ℃
Max. wavelength of absorption spectrum 374nm
Max. wavelength of fluorescence emission spectrum 434nm |
| Main application |
Widely applied in ABS, PS, HIPS, PA, PC, PP, EVA and hard PVC etc., with high temperature resistant at 375℃, specially suitable for high-temperature process for engineering plastic and fibre products. When it is applied in PE or soft PVC, please particularly pay attention to limit dosage. |
| Recommended Dosage |
0.0025-0.025%, ≤0.03% |
| Package |
Packed in 10kgs carton lined with plastic bag. |
| Storage |
Recommended store in dry and ventilative place, guard against damp; keep far from fire and heat. Strictly prohibit to meet or put together with acid base. Warranty period: 2 years |
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Modified Foaming Agent