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CP-7 Ball Clay

Alternate Names: CP #7

Oxide Analysis Formula Tolerance
K2O 0.14% 0.01
Na2O 0.05% -
CaO 0.30% 0.02
MgO 0.10% 0.01
TiO2 1.60% 0.07
Fe2O3 1.00% 0.02
Al2O3 28.67% 1.00
SiO2 54.89% 3.25
LOI 12.65%n/a
Oxide Weight 308.63
Formula Weight 353.33

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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

Pyrometric Cone Equivalent 33
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