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Description: COLLOIDAL MAGNESIUM SILICATE

Oxide	Analysis	Formula
CaO	2.78%	0.13
K2O	0.96%	0.03
MgO	11.40%	0.76
Na2O	1.92%	0.08
TiO2	0.17%	0.01
Al2O3	9.77%	0.26
SiO2	68.10%	3.03
Fe2O3	1.39%	0.02
LOI	3.50%	n/a
Oxide Weight		258.28
Formula Weight		267.64

Notes

A highly refined, inorganic complex colloidal, magnesium aluminum silicate. Used as a plasticizing agent in sanitary ware to improve green strength in prefired bodies.

Specific Gravity: 2.5
pH (5% dispersion): 9.5-10.5
C.E.C. (meq/100g): 90
Dry Brightness (Green Filter): 80
Color: White
% Moisture Content: 10% Max.
Brookfield Viscosity (60 rpm @ 5% solids): 3310cps

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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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