Old Hickory 56-SR Kentucky Ball Clay

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Old Hickory 56-SR Kentucky Ball Clay (discontinued **)
Categories:	Ceramic; Clay; Ball Clay
Material Notes:	This is a kaolinitic clay with excellent extrusion and die pressing characteristics. It has some colloidal carbon content but only a moderate amount of shrinkage. This clay is suitable for a variety of refractory compositions or other ceramic formulations such as stoneware. Information provided by Old Hickory Clay Company
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Physical Properties	Metric	English	Comments

Particle Size	0.50 µm	0.50 µm	48% of particles less than
	0.65 µm	0.65 µm	Median particle diameter
	1.0 µm	1.0 µm	60% of particles less than
	<= 5.0 µm	<= 5.0 µm	85% of particles less than
pH	5.0	5.0
Soluble Sulfates	350 ppm	350 ppm
Specific Surface Area	20.3 m²/g	20.3 m²/g

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.00414 GPa	0.600 ksi	Dry Modulus of Rupture for 50% clay/50% flint, cast bars

Thermal Properties	Metric	English	Comments
Shrinkage	4.7 %	4.7 %	Cone 04, Linear Fired Shrinkage
	4.9 %	4.9 %	Cone 3, Linear Fired Shrinkage
	6.6 %	6.6 %	Cone 11, Linear Fired Shrinkage
	7.0 %	7.0 %	Linear Drying Shrinkage

Component Elements Properties	Metric	English	Comments
Al2O3	27.99 %	27.99 %
CaO	0.15 %	0.15 %
Fe2O3	1.1 %	1.1 %
K2O	0.69 %	0.69 %
Loss on Ignition(%)	10.31 %	10.31 %
MgO	0.34 %	0.34 %
Na2O	0.080 %	0.080 %
SiO2	57 %	57 %
TiO2	2.1 %	2.1 %

Descriptive Properties
Absorption (%)	11.6		Cone 04, Fired
	4.3		Cone 11, Fired
	9.4		Cone 3, Fired
CEC/MBI (meg/100 ml)	8.7
Crude Color	Brown
Filtration (ml)	22
Pyrometric Cone Equivalent (PCE)	32
Water of Plasticity (%)	33
Wet Sieve Residue (%)	1.04		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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EOHC903 / 161982

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