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Oxide Analysis Formula
CaO 1.06% 0.09
K2O 0.36% 0.02
MgO 2.67% 0.33
Na2O 7.08% 0.56
TiO2 0.13% 0.01
Al2O3 16.60% 0.80
SiO2 51.70% 4.23
Fe2O3 3.31% 0.10
LOI17.10%
Oxide Weight 408.10
Formula Weight 492.27

Notes

Sodium bentonite granules, agglomerated from 325 mesh bentonite. It is fast dispersing and is used as a suspending agent in glazes and a binder for pencil lead.

Specific Gravity: 2.5
pH (5% dispersion): 8.5-10.5
C.E.C. (meq/100g): 82
Dry Brightness (Green Filter): 65
Color: Yellow
% Moisture Content: 12% Max.
Brookfield Viscosity (60 rpm @ 5% solids): 532cps

Related Information

Links

Materials Bentonite
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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