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Gizmo Ball Clay

Oxide Analysis Formula
CaO 0.50% 0.04
MgO 0.51% 0.06
K2O 0.67% 0.04
Na2O 0.55% 0.04
P2O5 0.09% -
TiO2 0.53% 0.03
Al2O3 20.48% 1.00
SiO2 66.21% 5.49
Fe2O3 1.60% 0.05
MnO 0.03% -
SO3 0.09%n/a
LOI 8.21%n/a
Oxide Weight 454.07
Formula Weight 495.17

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Materials Ball Clay
A fine particled highly plastic secondary clay used mainly to impart plasticity to clay and porcelain bodies and to suspend glaze, slips and engobe slurries.
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 20%
Drying Shrinkage 6.4%
Firing Shrinkage Cone 9: 4.0%
Water absorption Cone 9: 8.0%
Dry M.O.R. (50% Silica) 170 psi
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