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Description: FINE GROUND SODIUM HECTORITE

Oxide	Analysis	Formula
CaO	0.65%	0.09
K2O	0.31%	0.03
MgO	2.67%	0.54
Na2O	2.57%	0.34
TiO2	0.16%	0.02
Al2O3	21.08%	1.69
SiO2	63.02%	8.55
Fe2O3	3.25%	0.17
LOI	6.30%	n/a
Oxide Weight		764.47
Formula Weight		815.87

Notes

A standard viscosity sodium bentonite with an average particle size ranging between 200 and 325 mesh. It is a general purpose suspending and binding agent, economical for brick and refractory manufacturers.

Specific Gravity: 2.5
pH (5% dispersion): 8.5-10.5
C.E.C. (meq/100g): 92
Dry Brightness (Green Filter): 60
Color: Gray
% Moisture Content: 12% Max.
Brookfield Viscosity (60 rpm @ 5% solids): 170cps

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Typecodes	Clay Other 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.

By Tony Hansen
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