STRUCTURE:
MAX UV ABSORPTION SPECTRUM: 348 nm
MOLECULAR WEIGHT: 960.95 (As International relative Atom Mass 2013)
MOLECULAR FORMULA: C40H42N12O10S2Na2
EXCUTIVE STANDARD:HG/T 4432-2012
SPECIFICATIONS:
|
ITEM |
INDICES |
|
Appearance |
Amber transparent liquid |
|
UV ABSORPTION |
130 |
|
Whitening strength |
100±2 |
|
Viscosity(25℃） mPa.S |
≤ 50 |
|
Ph Value（25±2℃） |
8.5-11 |
|
Density,g/cm3 |
1.1-1.2 |
PROPERTY:
The product has a much better whitening effect than VBL at pH 6-8. Belonging to the anionic type, it can be used in one bath with anionic or nonionic surfactants. This product has excellent stability in high and low-temperature storage.
APPLICATION:
Mainly applied to whiten paper pulp, surface sizing, coating, and applied to whiten cotton, linen and cellulose fiber, cellulose fabrics, and brighten light-colored cellulose fabrics.
USAGE:
1. Being used in the paper-making industry, add them into the paper pulp, coating solvent, and surface gluing solvent—usual dosage: 0.3-0.9% on dry pulp or dry dope.
2. When whitening the cotton, hemp, or cellulose, directly adding the fluorescent brightener into the dye vat, the dosage:0.25-0.85%.
3. For laundry detergent application, the recommended dosage is 0.1-0.2%
PACKAGE: 200kg plastic drum or 1000kg IBC, The net weights are 230kg and 1100kg respectively.
STORAGE: Store in a cool, dry, ventilated warehouse.Should not exceed 6 months at room temperature(5-30°).