Molecular Weight:872.84

Specification:

A.Appearance:Yellowish even powder

B.Whitening strength:100±2(compared with standard sample)

C.Moisture:≤5%

D.Fineness(80mesh residue):≤5%

E,Dissoluble in water:≤0.5%

C.I.Number:85#

Property:

A.Main Chemical Composition:Stilbene bistriazine derivative

B.With bluish violet color

C.Soluble in softer water as much as 80times weight,300ppm in hurd water

D.Anionic type,alkali endurable,can be used in one bath of anionic and nonionic surfactant

E.To be unendurable ion of copper and iron,etc.Unsuitable to be used in cationic dyestuff and surfatant.

Application:

A.Whitening agent for cellulose base fiber and cotton fabrie.

B.Whitening agent for white pattern in discharge peinting of cotton fabric.

C.Whitening agent for light colored cellulose base fiber.

D.Whitening agent for paper and delergent.

Process:

A .Lixhousting Whitening Process

VBL:0.05-0.3%(o.w.f.),Na₂SO₄:0-10g/L,hath ratio:1:5-30,pH=7-9,temperature:40℃-100℃×20-40min  wash  dry  styling.

B.Pudding Precess

VBL:0.5-3g/L  pH=7-9,speed of the squeener:30-40meters/min.

Package&storage

Packing in wooden drum  each container25KG.

Keeping in cool dry place and avoiding sunlight.