Bell Dark Ball Clay
Tennessee Ball Clay
Chemistry
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Volatiles
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Links to Other Materials
Miscellaneous
- Family: Ball Clay
- Region: North America
- Mined At: Unspecified
- Raw Mineral: No
- Generic: No
Notes
A very plastic ball clay used in industrial and hobby clay bodies of all types. Primary applications are dinnerware and artware.
Physical Properties
===================
Water of Plasticity*: 37.0%
% Dry Shrinkage*: 6.5
Dry M.O.R., psi:* 825
pH: 4.4
C.E.C., meq/100g: 11.0
Specific Surface Area, sq metre/g: 24.4
Soluble sulfur+: Low
P.C.E.: 32
Particle Size, Microns: 20 10 5 2 1 0.5 0.2
(% finer than) 99% 97% 93% 81% 72% 56% 35%
Fired Properties
================
Cone 5 10
----
Total Shrinkage: 13.0% 14.5%
Absorption: 10.0% 1.0%
------------------
*Extruded, 50% ball clay, 50% flint
+Low-trace to 150, Med-150-400, High-450+
**50% Clay, 50% Nepheline Syenite
Suppliers
- K&T Clays
Authors
- Tony Hansen (Owner)
XML
<?xml version="1.0" encoding="UTF-8"?>
<material name="Bell Dark Ball Clay" descrip="Tennessee Ball Clay" generic="0" rawmineral="0" searchkey="" loi="10.45">
<families>
<family name="Ball Clay"/>
</families>
<regions>
<region name="North America"/>
</regions>
<oxides>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.190" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.190" tolerance=""/>
<oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.300" tolerance=""/>
<oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.100" tolerance=""/>
<oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.800" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="26.800" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="59.200" tolerance=""/>
<oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.970" tolerance=""/>
</oxides>
<volatiles>
<volatile symbol="" name="" percent="10.450" tolerance=""/>
</volatiles>
<references>
<reference name="seealso" reason=""/>
</references>
<suppliers>
<supplier name="K&T Clays" country="US" url="http://www.k-tclay.com" label=""/>
</suppliers>
<notes>
<note>A very plastic ball clay used in industrial and hobby clay bodies of all types. Primary applications are dinnerware and artware.
Physical Properties
===================
Water of Plasticity*: 37.0%
% Dry Shrinkage*: 6.5
Dry M.O.R., psi:* 825
pH: 4.4
C.E.C., meq/100g: 11.0
Specific Surface Area, sq metre/g: 24.4
Soluble sulfur+: Low
P.C.E.: 32
Particle Size, Microns: 20 10 5 2 1 0.5 0.2
(% finer than) 99% 97% 93% 81% 72% 56% 35%
Fired Properties
================
Cone 5 10
----
Total Shrinkage: 13.0% 14.5%
Absorption: 10.0% 1.0%
------------------
*Extruded, 50% ball clay, 50% flint
+Low-trace to 150, Med-150-400, High-450+
**50% Clay, 50% Nepheline Syenite</note>
</notes>
</material>
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