Old Hickory M-23 Tennessee Ball Clay

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Old Hickory M-23 Tennessee Ball Clay (discontinued **)
Categories:	Ceramic; Clay; Ball Clay
Material Notes:	This is a very high quality porcelain grade ball clay. It has fine particle size distribution for excellent plasticity and strength in pressing or plastic forming application. the low Fe2O3 and TiO2 provide high fired brightness to vitreous ceramic compositions. M-23 also has low carbon content for excellent oxidation qualities. Information provided by Old Hickory Clay Company
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Physical Properties	Metric	English	Comments

Particle Size	0.37 µm	0.37 µm	Median particle diameter
	0.50 µm	0.50 µm	58% of particles less than
	1.0 µm	1.0 µm	69% of particles less than
	<= 5.0 µm	<= 5.0 µm	87% of particles less than
pH	5.5	5.5
Soluble Sulfates	229 ppm	229 ppm
Specific Surface Area	23.6 m²/g	23.6 m²/g

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.00345 GPa	0.500 ksi	Dry Modulus of Rupture, 50% clay/50% flint, cast bars

Thermal Properties	Metric	English	Comments
Shrinkage	6.3 %	6.3 %	Cone 04, Linear Fired Shrinkage
	6.8 %	6.8 %	Linear Drying Shrinkage
	7.5 %	7.5 %	Cone 3, Linear Fired Shrinkage
	8.8 %	8.8 %	Cone 11, Linear Fired Shrinkage

Component Elements Properties	Metric	English	Comments
Al2O3	28.72 %	28.72 %
CaO	0.10 %	0.10 %
Fe2O3	1.27 %	1.27 %
K2O	0.36 %	0.36 %
Loss on Ignition(%)	9.72 %	9.72 %
MgO	0.35 %	0.35 %
Na2O	0.080 %	0.080 %
SiO2	57.64 %	57.64 %
TiO2	1.85 %	1.85 %

Descriptive Properties
Absorption (%)	10		Cone 3, Fired
	15.4		Cone 04, Fired
	4.5		Cone 11, Fired
CEC/MBI (meg/100 ml)	8.4
Crude Color	Light Grey
Filtration (ml)	26
Pyrometric Cone Equivalent (PCE)	31-32
Water of Plasticity (%)	38
Wet Sieve Residue (%)	0.24		Wet Sieve Residue, +200 mesh

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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EOHC917 / 161996

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