|Min. Order:||5 Metric Ton|
|Delivery Time:||10 Days|
Appearance: Solid, Light Yellow Uniform Powder
Grade Standard: Industrial Grade
Solubleness: Soluble Alkali
Molecular Formula: C40H42N12O10S2Na2
Molecular Weight: 960.95
MAX UV ABSORPTION SPECTRUM: 348 Nm
Moisture Content: 5% Max
Packaging: 1000kgs jumbo bag
Productivity: 10000 mts per year
Place of Origin: Hebei China
Supply Ability: 10000 mts
Appearance: light yellow uniform powder
Property: The product is readily soluble in water, acid-resistant, alkali-resistant, and has much better whitening effect than VBL at pH 4.5-7. Belonging to anionic type, it can be used in the one bath with anionic or nonionic surfactants.
1. Being used in paper-making industry, add them into the paper pulp, coating solvent and surface gluing solvent after dissolving with the 20 times water.usual dosage: 0.1-0.3% on dry pulp or dry dope.
2. When whitening of the cotton, hemp or cellulose, directly adding the fluorescent brightener dissolved with water into the dye vat, the dosage:0.08-0.3%, bath ratio:1:20-40, the dying temperature:60-100.