Op.whitening Agent 2bf Liquid

We offer an excellent quality range of Op.Whitening Agent 2BF Liquid.
USES : In the mass
Unsized papers
Sized papers where the PH of the dilution or white water is above 5.5 with low loading (up to 5% ash content) : In surface coating
With starch solutions CMC etc.
With pigmented coatings on a starch latex base.
APPEARANCE SOLUBILITY : 2BF liquid is a clear pale yellowish liquid of low viscosity with a specific gravity of 1.18 It can be diluted with water in all proportions.
The liquid formelimanates a possible source of errors, by dispensing with the process of dissolving with hot water.
Solution of Op.Whitening Agent 2BF Liquid is practically unaffected by hard water, stock solutions of up to 10 gm/termain stable for several days if kept in closed stainless containers and way from light. A solution of 1 gm/1 2BF Liquid has a pH of 7-8.
STORAGE : 2BF Liquid remains stable for up to an year kept in a cool, dry Place away from light.

EXHAUSTION/SHADE :
Op.Whitening Agent 2BF Liquid has a particularly high affinity for bleached cellulose and for the binders used in surface sizing and pigment coating, such as reduced starches, dextrins, CMC and alginates.

Op.Whitening Agent 2BF Liquid in the mass gives the best whitening effect in the neutral pH range. The highest affinity for binders in coating slurries occurs at pH 8-9.

The shade of 2BF Liquid applied in the mass is slightly bluish and in surface coating slightly reddish.