Hays Special Clay
Ball Clay
Chemistry
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Volatiles
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Links to Other Materials
Miscellaneous
- Family: Ball Clay
- Region: None
- Mined At: Unspecified
- Raw Mineral: No
- Generic: No
Notes
Relative Viscosity (1.2 Sp. Gr.):* 1.29
Casting Rate: (gms per 15 min/426 cm2):* 208
Water of Plasticity:* 20.6
% Dry Shrinkage:* 4.75
Dry M.O.R., psi:* 447
Cone 04 8 11
----
Fired Shrinkage:* 0.0% 1.5% 2.3%
Absorption:* 22.1% 15.6% 10.6%
M.O.R. psi:* 1930 3420 5349
Thermal Expansion, Cone 8: .475% at 700C
P.C.E.: 31
pH: 5.4
Oil Absorption: 36
Bulk Density, lbs per cubic foot: 35-40
Particle Size, Microns: 20 10 5 2 1 0.5 0.2
95% 90% 81% 60% 42% 25% 5%
*Specimens: De-aired, extruded, 50% ball clay, 50% flint
Suppliers
- H. C. Spinks Clay Company Inc.
Authors
- Tony Hansen (Owner)
XML
<?xml version="1.0" encoding="UTF-8"?>
<material name="Hays Special Clay" descrip="Ball Clay" generic="0" rawmineral="0" searchkey="" loi="10.20">
<families>
<family name="Ball Clay"/>
</families>
<oxides>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.200" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.340" tolerance=""/>
<oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.980" tolerance=""/>
<oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.210" tolerance=""/>
<oxide symbol="P2O5" name="Phosphorus Pentoxide" status="" percent="0.070" tolerance=""/>
<oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.370" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="25.300" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="60.000" tolerance=""/>
<oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="1.300" tolerance=""/>
<oxide symbol="MnO" name="Manganous Oxide" status="" percent="0.010" tolerance=""/>
</oxides>
<volatiles>
<volatile symbol="" name="" percent="10.150" tolerance=""/>
<volatile symbol="" name="" percent="0.050" tolerance=""/>
</volatiles>
<references>
<reference name="seealso" reason=""/>
</references>
<suppliers>
<supplier name="H. C. Spinks Clay Company Inc." country="US" url="http://www.spinksclay.com" label=""/>
</suppliers>
<notes>
<note>Relative Viscosity (1.2 Sp. Gr.):* 1.29
Casting Rate: (gms per 15 min/426 cm2):* 208
Water of Plasticity:* 20.6
% Dry Shrinkage:* 4.75
Dry M.O.R., psi:* 447
Cone 04 8 11
----
Fired Shrinkage:* 0.0% 1.5% 2.3%
Absorption:* 22.1% 15.6% 10.6%
M.O.R. psi:* 1930 3420 5349
Thermal Expansion, Cone 8: .475% at 700C
P.C.E.: 31
pH: 5.4
Oil Absorption: 36
Bulk Density, lbs per cubic foot: 35-40
Particle Size, Microns: 20 10 5 2 1 0.5 0.2
95% 90% 81% 60% 42% 25% 5%
*Specimens: De-aired, extruded, 50% ball clay, 50% flint</note>
</notes>
</material>
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