Old Hickory M-44 Kentucky Ball Clay

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Old Hickory M-44 Kentucky Ball Clay
Categories:	Ceramic; Clay; Ball Clay
Material Notes:	A highly plastic clay blend containing kaolin and other mixed layer minerals. It is white firing with excellent vitrification properties for use in whiteware ceramic casting, pressing, or plastic forming compositions. Information provided by Old Hickory Clay Company
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Physical Properties	Original Value	Comments

Particle Size	0.50 µm	44% of particles less than
	0.73 µm	Median particle diameter
	1.0 µm	58% of particles less than
	<= 5.0 µm	83% of particles less than
pH	6.0
Soluble Sulfates	285 ppm
Specific Surface Area	25.6 m²/g

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.770 ksi	Dry Modulus of Rupture for 50% clay/50% flint, cast bars

Thermal Properties	Original Value	Comments
Shrinkage	5.0 %	Cone 04, Linear Fired Shrinkage
	5.8 %	Cone 3, Linear Fired Shrinkage
	6.7 %	Cone 11, Linear Fired Shrinkage
	6.8 %	Linear Drying Shrinkage

Component Elements Properties	Original Value	Comments
Al2O3	27.5 %
CaO	0.19 %
Fe2O3	1.62 %
K2O	1.24 %
Loss on Ignition(%)	9.59 %
MgO	0.59 %
Na2O	0.10 %
SiO2	57.68 %
TiO2	1.5 %

Descriptive Properties
Absorption (%)	10.1	Cone 04, Fired
	3.6	Cone 11, Fired
	8.6	Cone 3, Fired
CEC/MBI (meg/100 ml)	10.4
Crude Color	Light Grey
Filtration (ml)	19
Pyrometric Cone Equivalent (PCE)	31
Water of Plasticity (%)	33
Wet Sieve Residue (%)	1.04	Wet Sieve Residue, +200 mesh

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EOHC906 / 161985

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