Old Hickory 44-B Kentucky Ball Clay

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Old Hickory 44-B Kentucky Ball Clay (discontinued **)
Categories:	Ceramic; Clay; Ball Clay
Material Notes:	The 44-B clay is similar to 54-S and is a recommended selection where additional plasticity and strength are important. It is particularly recommended in extruded and plastic processed ceramic formulas such as electrical porcelain and tableware. The 44-B can also be used in monoporosa and monocuttura tile bodies for additional press density and strength especially for a large dimension shapes. Information provided by Old Hickory Clay Company
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Physical Properties	Metric	English	Comments

Particle Size	0.45 µm	0.45 µm	Median particle diameter
	0.50 µm	0.50 µm	52% of particles less than
	1.0 µm	1.0 µm	62% of particles less than
	<= 5.0 µm	<= 5.0 µm	83% of particles less than
pH	6.3	6.3
Soluble Sulfates	520 ppm	520 ppm
Specific Surface Area	19.2 m²/g	19.2 m²/g

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.00448 GPa	0.650 ksi	Dry Modulus of Rupture for 50% clay/50% flint, cast bars

Thermal Properties	Metric	English	Comments
Shrinkage	5.0 %	5.0 %	Cone 04, Linear Fired Shrinkage
	5.8 %	5.8 %	Cone 3, Linear Fired Shrinkage
	6.3 %	6.3 %	Linear Drying Shrinkage
	6.7 %	6.7 %	Cone 11, Linear Fired Shrinkage

Component Elements Properties	Metric	English	Comments
Al2O3	28.5 %	28.5 %
CaO	0.15 %	0.15 %
Fe2O3	1.15 %	1.15 %
K2O	1.22 %	1.22 %
Loss on Ignition(%)	9.5 %	9.5 %
MgO	0.16 %	0.16 %
Na2O	0.10 %	0.10 %
SiO2	57.7 %	57.7 %
TiO2	1.52 %	1.52 %

Descriptive Properties
Absorption (%)	10.1		Cone 04, Fired
	3.5		Cone 11, Fired
	8.6		Cone 3, Fired
CEC/MBI (meg/100 ml)	10
Crude Color	Light Grey
Filtration (ml)	19
Pyrometric Cone Equivalent (PCE)	29-31
Water of Plasticity (%)	33
Wet Sieve Residue (%)	0.8		Wet Sieve Residue, +200 mesh

**
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EOHC901 / 161980

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