44-B Ball Clay
Description: Kentucky Ball Clay
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 0.12% | 0.01 | |
| K2O | 0.88% | 0.04 | |
| MgO | 0.23% | 0.02 | |
| Na2O | 0.09% | 0.01 | |
| TiO2 | 1.53% | 0.08 | |
| Al2O3 | 25.80% | 1.00 | |
| SiO2 | 60.00% | 3.95 | |
| Fe2O3 | 1.03% | 0.03 | |
| LOI | 10.10% | n/a | |
| Oxide Weight | 354.55 | ||
| Formula Weight | 394.38 | ||
Notes
Crude Color: Light Grey
Dry M.O.R. (psi 50% clay/50% flint, cast bars): 600
Wet Sieve Residue, +200 mesh (%): 0.65
Water of Plasticity (%): 33
Linear Dry Shrinkage (%): 6.3
Solubles Sulfates (ppm): 530
Filtration (ml): 19
Specific Surface Area (sq meters per gram): 19.2
CEC/MBI (meq/100 ml): 10.0
pH: 6.3
PCE: 30
Firing Shrinkage (%)
Cone 04: 3.7
Cone 3: 5.6
Cone 11: 6.6
Absorption (%)
Cone 04: 13.5
Cone 3: 8.4
Cone 11: 2.1
Particle Size (% finer than):
50 microns: 100
20: 97
10: 93
5: 82
1: 57
0.5: 45
Related Information
Links
| Materials |
Ball Clay
A fine particled highly plastic secondary clay used mainly to impart plasticity to clay and porcelain bodies and to suspend glaze, slips and engobe slurries. |
| 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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