Molecular formula: C40H42N12O10S2Na2
Relative molecular weight: 960.94 (according to 2005 international relative atomic mass)
The maximum UV absorption wavelength: 348 nm
Quality Index:
Item | Indices |
1.appearance | amber colored transparent liquid platinum |
2. The fluorescence intensity (relative to the standard 370), minute | 35 |
3.color shade | Similar to the standard sample |
4. Viscosity（25℃），mPs.S | ≤50 |
5.pH value | 8-10 |
6.Density，g/cm3 | 1.0-1.3 |
7. Ionicity | anion |
Features:
This product is easy to dissolve, good acid and alkali resistance, when in pH4.5-7 the whitening effect significantly is better than the VBL, anionic genera, can be used with anionic or nonionic surfactant.
Scope:
Mainly used for whitening paper pulp, surface sizing, coating and other processes, as well as in cotton, hemp, cellulose fiber fabric whitening, brightening light-colored fabric.
Instructions:
1. For cotton, hemp, cellulose fibers when the fluorescent whitening agent whitening dye vat directly into use, the amount of 0.3% -1%, bath ratio: 1: 20-40, the dye bath temperature: 60-100 ℃.
2. in the paper industry in BC-L added to the pulp or liquid coating, surface sizing, the conventional amount of bone dry pulp or dry coating of 0.3-0.9%.
Packaging: 230 kg plastic drums.
Transportation: Handle with care, prevent moisture and sun.
Storage: Store in a cool dry place away from light, storage period of six months.
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