Champion-Challenger
Alternate Names: Champion Challenger Ball Clay, Chalenger
Description: 1/2 Champion, 1/2 Challenger
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 0.37% | 0.02 | |
| K2O | 0.40% | 0.02 | |
| MgO | 0.30% | 0.03 | |
| Na2O | 0.12% | 0.01 | |
| TiO2 | 1.64% | 0.07 | |
| Al2O3 | 28.38% | 1.00 | |
| P2O5 | 0.15% | - | |
| SiO2 | 55.60% | 3.32 | |
| Fe2O3 | 0.98% | 0.02 | |
| MnO | 0.02% | - | |
| LOI | 12.30% | n/a | |
| SO3 | 0.03% | n/a | |
| Oxide Weight | 316.14 | ||
| Formula Weight | 360.60 | ||
Notes
Relative Viscosity (1.2 Sp. Gr.):* 1.53
Casting Rate: (gms per 15 min/426 cm2):* 177
Water of Plasticity:* 23.6
% Dry Shrinkage:* 5.86
Dry M.O.R., psi:* 700
Cone 04 8 11
----
Fired Shrinkage:* 0.3% 2.1% 2.5%
Absorption:* 18.7% 15.5% 15.1%
M.O.R. psi:* 1720 4100 3860
Thermal Expansion, Cone 8: 0.51% at 700C
P.C.E.: 33
pH: 5.5
Oil Absorption: 38
Bulk Density, lbs per cubic foot: 33-38
Particle Size, Microns: 20 10 5 2 1 0.5 0.2
97% 94% 86% 75% 64% 47% 16%
*Specimens: De-aired, extruded, 50% ball clay, 50% flint
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. |
| Materials |
Champion Ball Clay
|
Data
| Pyrometric Cone Equivalent | 33 |
|---|
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