Old Hickory No. 1 Glaze Kentucky Ball Clay

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Old Hickory No. 1 Glaze Kentucky Ball Clay
Categories:	Ceramic; Clay; Ball Clay
Material Notes:	No. 1 Glaze Clay is a very high kaolin bearing selection with extremely low levels of carbon content. it provides excellent suspension to all types of glazes especially glazes containing a high percentage of frit which has soluble alkali. No. Glaze provides viscosity control range and excellent rheology for all glaze application methods and especially bell or cone applications processes. 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	52% of particles less than
	1.0 µm	1.0 µm	63% of particles less than
	<= 5.0 µm	<= 5.0 µm	87% of particles less than
pH	5.9	5.9
Soluble Sulfates	160 ppm	160 ppm
Specific Surface Area	18 m²/g	18 m²/g

Thermal Properties	Metric	English	Comments
CTE, linear	5.90 µm/m-°C @Temperature 50.0 - 500 °C	3.28 µin/in-°F @Temperature 122 - 932 °F	Pre-fired 1200°C
Shrinkage	5.8 %	5.8 %	Linear Drying Shrinkage

Component Elements Properties	Metric	English	Comments
Al2O3	29.37 %	29.37 %
CaO	0.10 %	0.10 %
Carbon, C	0.080 %	0.080 %
Fe2O3	0.87 %	0.87 %
K2O	0.28 %	0.28 %
Kaolinite	70.8 %	70.8 %
Loss on Ignition(%)	9.91 %	9.91 %
MgO	0.28 %	0.28 %
Na2O	0.10 %	0.10 %
Quartz	22.4 %	22.4 %
SiO2	56.32 %	56.32 %
Sulfur, S	0.000073 %	0.000073 %
TiO2	2.44 %	2.44 %

Descriptive Properties
CEC/MBI (meg/100 ml)	7.1
Crude Color	White
Dry Sieve Residue (%)	0.4		Dry Sieve Residue, +80 mesh
Feldspar (%)	4.8
Misc. Trace Minerals (%)	2.3
Nature of Residue	High Purity Quartz
Water of Plasticity (%)	31
Wet Sieve Residue (%)	0.34		Wet Sieve Residue, +325 mesh
	0.39		Wet Sieve Residue, +200 mesh

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EOHC907 / 161986

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