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4-C Clay

Alternate Names: Spinks 4-C, 4-C Ball Clay

Oxide Analysis Formula
CaO 0.26% 0.02
K2O 0.51% 0.02
MgO 0.22% 0.02
Na2O 0.16% 0.01
TiO2 1.27% 0.06
Al2O3 25.29% 1.00
P2O5 0.12% -
SiO2 58.64% 3.94
Fe2O3 1.26% 0.03
LOI 12.28%n/a
Oxide Weight 353.83
Formula Weight 403.37

Related Information

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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

Pyrometric Cone Equivalent 31.5
Dry M.O.R. (50% Silica) 437C
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