BK®-886 is an organoclay (tetraallkyl ammonium bentonite) for solvent-based systems of low to medium polarity.
1. Advantages:
☆ High gelling efficiency over low to medium polarity organic liquids.
☆ Ideal thixotropy ,anti-sagging,anti-sediment property.
☆ Imparts particle suspension, preventing hard settling of pigment and fillers.
☆ Exerts strong film reinforce action in organic binder systems.
☆ Good dispersion performance.
2. Typical Properties:
Fineness through 200 mesh
Loss on Ignition
( @1000℃ )
3. Typical Applications:
4. Incorportions:
BK®-886 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 95%ethanol, 95%methanol, 95%acetone or propylene carbonate) is 30%-60% by weight of BK®-886.
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.
5. Recommended Levels:
The amount of BK®-886 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.
6. International Countertypes: Bentone®38, Claytone®40, Tixogel®VP-A
關(guān)鍵字： Organoclay; Rheological Additive; Bentonite; Activated Clay
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