Old Hickory Volunteer Tennessee Ball Clay

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Old Hickory Volunteer Tennessee Ball Clay
Categories:	Ceramic; Clay; Ball Clay
Material Notes:	A versatile clay selection for casting, pressing, or plastic forming process methods. It is similar to M-23 in mineralogy with slightly more organic content. Volunteer has very good plasticity and is an excellent selection in ceramic formulas requiring a fine particle size distribution ball clay. Information provided by Old Hickory Clay Company
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Physical Properties	Metric	English	Comments

Particle Size	0.50 µm	0.50 µm	52% of particles less than
	0.51 µm	0.51 µm	Median particle diameter
	1.0 µm	1.0 µm	62% of particles less than
	<= 5.0 µm	<= 5.0 µm	84% of particles less than
pH	5.4	5.4
Soluble Sulfates	200 ppm	200 ppm
Specific Surface Area	20.9 m²/g	20.9 m²/g

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.00390 GPa	0.565 ksi	Dry Modulus of Rupture, 50% clay/50% flint, cast bars

Thermal Properties	Metric	English	Comments
Shrinkage	6.2 %	6.2 %	Cone 04, Linear Fired Shrinkage
	7.0 %	7.0 %	Cone 3, Linear Fired Shrinkage
	7.85 %	7.85 %	Linear Drying Shrinkage
	8.7 %	8.7 %	Cone 11, Linear Fired Shrinkage

Component Elements Properties	Metric	English	Comments
Al2O3	27.55 %	27.55 %
CaO	0.10 %	0.10 %
Fe2O3	0.99 %	0.99 %
K2O	0.43 %	0.43 %
Loss on Ignition(%)	9.43 %	9.43 %
MgO	0.26 %	0.26 %
Na2O	0.080 %	0.080 %
SiO2	59.11 %	59.11 %
TiO2	2.09 %	2.09 %

Descriptive Properties
Absorption (%)	11.2		Cone 3, Fired
	17.2		Cone 04, Fired
	3.6		Cone 11, Fired
CEC/MBI (meg/100 ml)	7.7
Crude Color	Light Grey
Filtration (ml)	24
Pyrometric Cone Equivalent (PCE)	31-32
Water of Plasticity (%)	38.3
Wet Sieve Residue (%)	0.75		Wet Sieve Residue, +200 mesh

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

EOHC923 / 162002

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