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J-2 Ball Clay

Tennessee Ball Clay

OxideAnalysisFormula
CaO0.40%0.026
MgO0.30%0.027
K2O0.50%0.019
Na2O0.10%0.006
TiO21.10%0.049
Al2O328.40%1.000
SiO256.70%3.388
Fe2O31.70%0.038
LOI10.80
Oxide Weight320.37
Formula Weight359.15
If this formula is not unified correctly please contact us.

A fine-grained Ball Clay with good plasticity and strength. J-2 is claimed to be very white-firing, however the high iron content does not suggest this. Industry applications include wall and floor tile, 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


Out Bound Links


By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="J-2 Ball Clay" descrip="Tennessee Ball Clay" searchkey="" loi="0.00" casnumber="70694-09-6"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.400" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.300" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.500" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.100" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.100" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="28.400" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="56.700" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="1.700" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="10.800" tolerance=""/> </volatiles> </material>


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