Optical Brightener VBL

Formula: C36H34O8N12S2Na2
Molecular weight: 872.42
Structure :
MAX UV ABSORPTION:     348um
Index:
Appearance
Fine light yellow powder
Fluorescent Strength
(equivalent to standard sample)
100
Whiteness (equivalent to stand sample)
similar to standard sample
MOISTURE:
≤5%
RESIDUE IN WATER:
≤0.5%
FINENESS(remains through 180mm mesh):
≤10%
Character: VBL is typical product of Twin Ammine Tristriazine. It can be solved in 80 times soft water and show anion.
Application: 1 Whitening agent for cotton fabric and gluing products.
2 Whitening agent for polyvinyl alcoholic fiber and polyamide fiber.
3 Whitening agent for paper industry ,paper pulp or paints.
Packing: 50kg/cardboard bucket
 

 
 

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