Old Hickory RJM Ball Clay

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Old Hickory RJM Ball Clay
Categories:	Ceramic; Clay; Ball Clay
Material Notes:	Used for pavement sealers and refractories. Hydrous aluminum silicate, typically > 60% kaolinite. Information provided by Old Hickory Clay Company
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Physical Properties	Metric	English	Comments

Specific Gravity	2.40 - 2.65 g/cc	2.40 - 2.65 g/cc
Particle Size	0.50 µm	0.50 µm	64% of particles less than
	1.0 µm	1.0 µm	75% of particles less than
	2.0 µm	2.0 µm	77% of particles less than
	<= 5.0 µm	<= 5.0 µm	89% of particles less than
Specific Surface Area	39.2 m²/g	39.2 m²/g	MPSA

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.0103 GPa	1.50 ksi	Dry Modulus of Rupture for 50% clay/50% flint, cast bars

Component Elements Properties	Metric	English	Comments
Al2O3	27.8 %	27.8 %
CaO	0.19 %	0.19 %
Carbon, C	0.19 %	0.19 %
Fe2O3	2.17 %	2.17 %
K2O	0.70 %	0.70 %
Loss on Ignition(%)	9.5 %	9.5 %
MgO	0.51 %	0.51 %
Na2O	0.10 %	0.10 %
SiO2	57.36 %	57.36 %
TiO2	1.46 %	1.46 %

Descriptive Properties
CAS Number	1318-74-7		Kaolinite component

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EOHC887 / 281579

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