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Old Hickory No. 3 Ball Clay

Description: Legacy ball clay

Oxide Analysis Formula
SiO2 54.20% 3.08
Al2O3 29.90% 1.00
Fe2O3 1.70% 0.04
TiO2 1.60% 0.07
CaO 0.50% 0.03
MgO 0.80% 0.07
K2O 0.30% 0.01
Na2O 0.60% 0.03
LOI 16.70%n/a
Oxide Weight 305.66
Formula Weight 366.94

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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

Drying Shrinkage 8.0%
Firing Shrinkage Cone 9: 10.0%
Water absorption Cone 9: 0%
Dry M.O.R. (50% Silica) 600 psi
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