Omr Ball Clay

Description: Tennessee Ball Clay

Oxide	Analysis	Formula
CaO	0.50%	0.03
K2O	0.70%	0.03
MgO	0.60%	0.06
Na2O	0.10%	0.01
TiO2	1.20%	0.06
Al2O3	27.40%	1.00
SiO2	57.50%	3.56
Fe2O3	2.60%	0.06
LOI	9.50%	n/a
C	0.20%	n/a
Oxide Weight		337.27
Formula Weight		373.50

Notes

Particle Size (e.s.d.)
125 microns - 0.2
20 microns - 97
2 microns - 87
.5 microns - 72
Modulus of Rupture at 110C
Mn/M2 - 15.5
lbf/in2 - 2250
Water Absorption
1120C - 15.0
1220C - 0.5
Shrinkage Dry to Fired
1120C - 8.0
1220C - 12.0
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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