| Customization: | Available |
|---|---|
| CAS No.: | 16470-24-9 |
| Formula: | C40h40n12o16s4na4 |
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| OPTICAL BRIGHTENER BBU (C.I.220) |
| CAS:16470-24-9 |
| Appearance:Light yellow uniform powder |
| Max UV absorption wavelength, nm:348±1nm |
| Fluorescent strength: 100±3 |
| APPLICATION: |
| Used for cotton fiber and glue fiber. |
| Bath temperature is about 95-98ºC, holding time is about 10-20 minutes, bath ratio is 1:20, vapor steaming about 45 minutes, the dosage is 0.1-0.5%. |
| Recommended dosage |
| 0.1-0.3% of the dry pulp or paints. |
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