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Yankee Ball Clay

Alternate Names: Yankee Stoneware

Oxide Analysis Formula
CaO 0.13% 0.01
K2O 1.43% 0.06
MgO 0.75% 0.07
Na2O 1.44% 0.09
TiO2 1.21% 0.06
Al2O3 25.38% 1.00
SiO2 58.61% 3.92
Fe2O3 2.28% 0.06
LOI 8.78%n/a
Oxide Weight 366.65
Formula Weight 401.94

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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 52%
Firing Shrinkage 19% at cone 9
Dry M.O.R. (50% Silica) 830 psi
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