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Bell Dark Ball Clay

Tennessee Ball Clay

OxideAnalysisFormula
CaO0.20%0.014
MgO0.40%0.038
K2O0.70%0.028
Na2O0.20%0.012
TiO22.10%0.100
Al2O326.80%1.000
SiO258.90%3.730
Fe2O31.10%0.026
LOI10.30
Oxide Weight344.06
Formula Weight383.57
If this formula is not unified correctly please contact us.

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: 33.5%
% Dry Shrinkage: 6.1
Dry M.O.R. (50:50 ball clay:silica) psi:* 560
pH: 4.1
M.B.I. meq/100g: 8.0
Specific Surface Area (sq-metre/g): 24.1
Soluble sulfur+: Low

P.C.E.: 38

Particle Size, Microns: 20 10 5 2 1 0.5 0.2
(% finer than) 99% 94% 85% 75% 63% 52% 38%

Fired Properties
================
Cone 5 10
----
Total Shrinkage: 12.7% 15.6%
Absorption: 12.5% 6.1%

------------------
*Extruded, 50% ball clay, 50% flint
+Low-trace to 150, Med-150-400, High-450+
**50% Clay, 50% Nepheline Syenite

*This information is from a data sheet dated Jan 2013.


Out Bound Links


By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Bell Dark Ball Clay" descrip="Tennessee Ball Clay" searchkey="" loi="0.00" casnumber="70694-09-6"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.200" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.400" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.700" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.200" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="2.100" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="26.800" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="58.900" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="1.100" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="10.300" tolerance=""/> </volatiles> </material>


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