The main data:
Product Name: Optical Brightener BlueOp BBU 480
C.I. NO.: 220
CAS NO.: 16470-24-9
Molecular mass: 1165
Formula: C40H40N12O16S4Na4
Type of product: Mixture substance
The main application:
1. Add in pulp, dosage: 0.01-0.4% (absolute dry pulp)
2. It can be used together with starch, CMC, PVA in surface sizing, the usual dosage: 0.1-3g/L
3. In the coating process, it is better to use together with PVA, CMC and starch, the usual dosage: 0.03-0.4% (to the coating weight)
4. Dosage in printing and dyeing: 0.1-0.5%
Packing & storage:
Packing specification:25KG/bag.
Store in a cool, dry warehouse with a storage temperature of 5-35°C to prevent freezing. The shelf life is 6 months with seal, please close the container when not in use.
Quality standard:
Item | Standard Specification |
Appearance | Yellow uniform powder |
E Value(+/-10) | 480 |
Moisture | ≤5.0 |
Water-insoluble matter | ≤0.5 |
Ionic character | Anionic |
關鍵字： Optical Brightening ;OBA;Optical Brightener;Bbu;Ba-L;