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Description: Thailand Ball Clay
Oxide | Analysis | Formula | |
---|---|---|---|
CaO | 0.40% | 0.03 | |
K2O | 2.50% | 0.10 | |
MgO | 0.50% | 0.05 | |
Na2O | 0.30% | 0.02 | |
TiO2 | 0.40% | 0.02 | |
Al2O3 | 27.40% | 1.00 | |
SiO2 | 54.30% | 3.36 | |
Fe2O3 | 1.40% | 0.03 | |
LOI | 13.00% | n/a | |
C | 3.50% | n/a | |
Oxide Weight | 324.61 | ||
Formula Weight | 388.76 |
Particle Size (e.s.d.)
125 microns - 3.0
20 microns - 96
2 microns - 83
.5 microns - 49
Modulus of Rupture at 110C
Mn/M2 - 6.4
lbf/in2 - 920
Water Absorption
1120C - 3.0
1220C - 0.0
Shrinkage Dry to Fired
1120C - 9.0
1220C - 11.5
Reflectance 464nm
1120C - 66
1220C - 48
Refractoriness
Cone - 32, 1710C
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. |
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