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Ivory Fat Ball Clay

Description: Legacy ball clay from Moore and Munger, UK

Oxide Analysis Formula
SiO2 54.90% 3.02
Al2O3 30.90% 1.00
Fe2O3 0.90% 0.02
TiO2 1.40% 0.06
CaO 0.40% 0.02
MgO 0.41% 0.03
K2O 0.20% 0.01
Na2O 2.50% 0.13
LOI 8.90%n/a
Oxide Weight 302.40
Formula Weight 331.95

Related Information

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Typecodes Clay Other
Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically.
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

Drying Shrinkage 4.5%
Firing Shrinkage 10% at cone 9
Dry M.O.R. (50% Silica) 330 psi
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