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Old Hickory No 6 Ball Clay

Description: Legacy ball clay

Oxide Analysis Formula
SiO2 50.10% 2.58
Al2O3 33.00% 1.00
Fe2O3 0.90% 0.02
TiO2 1.30% 0.05
CaO 1.40% 0.08
MgO 0.30% 0.02
K2O 0.40% 0.01
Na2O 0.70% 0.03
LOI 12.00%n/a
Oxide Weight 272.31
Formula Weight 309.44

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Typecodes Ball Clay
Ball clays are abundant and very plastic and are used in all types of plastic forming bodies. They are not as white-burning or refractory as kaolins but lower in iron and fluxes than bentonites.

Data

% < 0.5 microns 43%
Drying Shrinkage 8.0%
Firing Shrinkage Cone 9: 8.0%
Water absorption Cone 9: 0%
Dry M.O.R. (50% Silica) 500 psi
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