A finely ground, white, sodium bentonite that exhibits low viscosity. Used as a binder in extruded bodies to add plasticity with no increases in viscosity.
Specific Gravity: 2.5
pH (5% dispersion): 8.5-9.5
C.E.C. (meq/100g): 80
Dry Brightness (Green Filter): 81
% Moisture Content: 10% Max.
Brookfield Viscosity (60 rpm @ 5% solids): 28cps
Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically.