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Description: HIGHLY REFINED HECTORITE FLAKE

Oxide	Analysis	Formula
CaO	3.29%	0.08
K2O	0.20%	-
Li2O	1.50%	0.07
MgO	23.10%	0.79
Na2O	2.64%	0.06
TiO2	0.20%	-
Al2O3	3.05%	0.04
SiO2	52.10%	1.19
Fe2O3	1.13%	0.01
LOI	12.80%	n/a
Oxide Weight		119.98
Formula Weight		137.59

Notes

A highly refined hectorite clay supplied as a free flowing flake to ease dispersion. Used as a suspending agent in glazes when high purity and thixotropy are important.

Specific Gravity: 2.5
pH (5% dispersion): 9.5-10.5
C.E.C. (meq/100g): 94
Dry Brightness (Green Filter): 75
Color: White
% Moisture Content: 10% Max.
Brookfield Viscosity (60 rpm @ 5% solids): 8010cps

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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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