HC#5 Clay
Description: Ball Clay
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 0.27% | 0.02 | |
| K2O | 0.31% | 0.01 | |
| MgO | 0.21% | 0.02 | |
| Na2O | 0.10% | 0.01 | |
| TiO2 | 1.59% | 0.07 | |
| Al2O3 | 27.65% | 1.00 | |
| P2O5 | 0.14% | - | |
| SiO2 | 56.25% | 3.45 | |
| Fe2O3 | 1.13% | 0.03 | |
| MnO | 0.02% | - | |
| LOI | 12.40% | n/a | |
| SO3 | 0.03% | n/a | |
| Oxide Weight | 323.41 | ||
| Formula Weight | 369.32 | ||
Notes
Particle Size Distribution:
>53 microns: 0.10 max
>10 microns: 18
<2 microns: 44
Modulus of Rupture, Kgf/cm2:
At 80% Relative Humidity: 7.5
Dried at 110C: 16.2
Casting Rate @ 62% solids (mm2/min): 2.0
% P84 Deflocculant Required for 5 Poise Slip: 0.6
1180C 1280C
Fired Absorption: 15% 6%
Fired Shrinkage: 9% 13%
Brightness: 84 84
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. |
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