Bandy Tan
Alternate Names: Bandy Tan Ball Clay
Description: Ball clay
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 0.32% | 0.02 | |
| K2O | 1.64% | 0.07 | |
| MgO | 0.58% | 0.06 | |
| Na2O | 0.36% | 0.02 | |
| TiO2 | 1.26% | 0.07 | |
| Al2O3 | 24.38% | 1.00 | |
| P2O5 | 0.03% | - | |
| SiO2 | 61.21% | 4.26 | |
| Fe2O3 | 1.20% | 0.03 | |
| MnO | 0.01% | - | |
| LOI | 8.67% | n/a | |
| SO3 | 0.09% | n/a | |
| Oxide Weight | 380.68 | ||
| Formula Weight | 417.23 | ||
Notes
Relative Viscosity (1.2 Sp. Gr.):* 1.2
Casting Rate: (gms per 15 min/426 cm2):* 157
Water of Plasticity:* 27.1
% Dry Shrinkage:* 5.1
Dry M.O.R., psi:* 228
Cone 04 8 11
----
Fired Shrinkage:* 0.4% 3.2% 6.4%
Absorption:* 21.3% 13.8% 5.9%
M.O.R. psi:* 745 2910 5680
Thermal Expansion, Cone 8: .335% at 700C
P.C.E.: 30
pH: 5.5
Oil Absorption: 34
Bulk Density, lbs per cubic foot: 37-45
Particle Size, Microns: 20 10 5 2 1 0.5 0.2
95% 85% 66% 42% 26% 15% 3%
*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. |
Data
| Frit Softening Point | 30 PCE |
|---|
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