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Description: White Sodium Bentonite

Oxide Analysis Formula
CaO 1.89% 0.21
K2O 1.06% 0.07
MgO 3.44% 0.54
Na2O 1.65% 0.17
TiO2 1.47% 0.12
Al2O3 13.00% 0.81
SiO2 70.10% 7.43
Fe2O3 1.45% 0.06
LOI 5.90%n/a
Oxide Weight 599.43
Formula Weight 637.02

Notes

A highly purified, white, sodium bentonite supplied as a free-flowing powder. Used when high purity and high whiteness are important in suspending glazes.

Specific Gravity: 2.5
pH (5% dispersion): 9.0-10.0
C.E.C. (meq/100g): 70
Dry Brightness (Green Filter): 87
Color: White
% Moisture Content: 10% Max.
Brookfield Viscosity (60 rpm @ 5% solids): 1098cps

Related Information

Links

Materials Bentonite
Bentonite can make a clay body instantly plastic, only 2-3% can have a big effect. It also suspends slurries so they don't settle out and slows down drying.
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.
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