Slurry Ball Clay

Description: Tennessee Ball Clay

Oxide	Analysis	Formula
CaO	0.20%	0.01
K2O	1.50%	0.06
MgO	0.30%	0.03
Na2O	0.20%	0.01
TiO2	1.80%	0.08
Al2O3	27.90%	1.00
SiO2	57.10%	3.47
Fe2O3	1.00%	0.02
LOI	10.00%	n/a
C	0.80%	n/a
Oxide Weight		329.03
Formula Weight		368.87

Notes

Particle Size (e.s.d.)
125 microns - 0.1
20 microns - 95
2 microns - 67
.5 microns - 44
Modulus of Rupture at 110C
Mn/M2 - 6.0
lbf/in2 - 870
Water Absorption
1120C - 13.0
1220C - 3.5
Shrinkage Dry to Fired
1120C - 8.0
1220C - 12.5
Refractoriness
Cone - 32, 1710C

Related Information

Links

Typecodes	Ball Clay Ball clays are abundant and very plastic and are used in all types of plastic forming bodies. They are not as white-burning or refractory as kaolins but lower in iron and fluxes than bentonites.

By Tony Hansen
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