Product : Rheological Additive BK-883B
Category : Rheological Additive for solvent based system(Organoclay)
BK-883B is an organoclay (tetraallkyl ammonium bentonite) for solvent-based systems of low,medium and high polarity.
* High gelling efficiency over low, medium and high polarity organic liquids, especially in 200#solovent oil, coal tar, aromatic compounds.
* Produce reproducible thixotropic consistency over a wide temperature range.
* High viscosity and excellent thickening property over a wide temperature range.
* Imparts particle suspension, preventing hard settling of pigment and fillers.
* Exerts strong film reinforce action in organic binder systems.
Color |
Appearance |
Density |
Moisture (@105C,2hrs) |
Fineness through 200 mesh |
Loss on Ignition |
Light Yellow |
Free Flowing Powder |
1.7g/cm3 |
≤3.5% |
≥98% |
≤35% |
Alkyd paint |
Zinc-rich paint |
Anti-corrosion paint |
Inks(mineral oil) |
Bituminous paint |
Inks(Nitro) |
Chlorinated rubber paint |
Adhesive |
Marine paint |
Putties and sealant |
None solvent epoxy paint |
Lubricating grease |
Primer paint |
Oil drilling mud |
Road paint |
Waster water treatment |
Silica paint |
|
BK-883B belongs to the conventional type of organoclay group, which requires mechanical energy, shear forces applied with a goods dispersion equipment, and a chemical (polar) activator to reach the proper level of delamination of the organoclay platelet stacks.
Polar Activator: Dosage of polar activator ( such as propylene carbonate, 95%ethanol , acetone or 95% methanol) is 40%-60% by weight of BK-883B.
It is always recommended to determine the proper level of addition by experiment. Either defect or excess of chemical activator would result in poorer viscosity development.
The amount of BK-883B rheological additive required depends upon the type of organic system and the degree of thickening or other properties desired. Addition levels are typically between 0.2%-2.0% based on the total formulation weight.
Bentone 52, Tixogel VP, Claytone HT.