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Huntingdon Ball Clay

Description: Tennessee Ball Clay

Oxide Analysis Formula Tolerance
CaO 0.10% -
K2O 0.10% -
MgO 0.10% 0.01
Na2O 0.10% -
TiO2 2.40% 0.08
Al2O3 38.30% 1.00
SiO2 44.80% 1.99
Fe2O3 0.60% 0.01
LOI 13.60%n/a
C 0.30%n/a
Oxide Weight 230.37
Formula Weight 267.56

Notes

Modulus of Rupture at 110C
Mn/M2 - 2.6
lbf/in2 - 370
Water Absorption
1120C - 13.0
1220C - 8.0
Shrinkage Dry to Fired
1120C - 8.0
1220C - 12.5
Refractoriness
Cone - 35, 1770C

Related Information

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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 44
% < 5 microns 90
Pyrometric Cone Equivalent 35
% < 20 microns 97
% < 10 microns 95
% < 2 microns 71
% < 1 micron 60
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