Properties: Fluorescent Brightener Agent SWN is white to light brown crystalline powder, soluble in acidic aqueous solution, ethanol and ethylene glycol and organic solvents. Commodity products are usually salt formed by pure products with sulfuric acid or hydrochloric acid, or salt formed by mixing with organic acid. This product should not be bathed with sodium chlorite.
Specification:
Appearance: White to light brown crystalline powder
Colour Light: Blue Light
Melting point: 68-72 C
Content: > 98.5%
Ultraviolet absorption: 1000-1100
Volatile matter: <0.5%
Ash: < 0.3%
Fineness: through 200 items
Application: Fluorescent Brightener Agent SWN is used to whiten wool, natural silk, nylon, acetic acid and triacetate fibers. It can also be used to whiten cotton, cellulose and acrylic fibers. The dosage ranged from 0.05% to 2.0%. Adding synthetic detergent powder to wash fabrics can improve the appearance whiteness of the washed fabrics.
Packaging: 25kg cardboard drum packaging; in a cool, dry place to keep away from light.