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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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