vol353cer Hectorite

Description: FINE GROUND SODIUM HECTORITE

Oxide	Analysis	Formula
CaO	6.74%	0.17
K2O	0.73%	0.01
Li2O	1.50%	0.07
MgO	19.00%	0.69
Na2O	2.35%	0.06
TiO2	0.27%	-
Al2O3	3.81%	0.05
SiO2	43.40%	1.05
Fe2O3	1.55%	0.01
LOI	20.60%	n/a
Oxide Weight		115.40
Formula Weight		145.34

Notes

Finely ground, white, sodium hectorite clay exhibiting high cation exchange capacity. Used as a binder and plasticizer in wall and floor tile. Exhibits excellent increases in green strength.

Specific Gravity: 2.5
pH (5% dispersion): 9.5-10.5
C.E.C. (meq/100g): 100
Dry Brightness (Green Filter): 70
Color: White
% Moisture Content: 10% Max.
Brookfield Viscosity (60 rpm @ 5% solids): 2380cps

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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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