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Alternate Names: Kil 220
Oxide | Analysis | Formula | |
---|---|---|---|
CaO | 0.10% | 0.01 | |
K2O | 2.00% | 0.10 | |
MgO | 0.60% | 0.07 | |
Na2O | 0.10% | 0.01 | |
Fe2O3 | 1.80% | 0.05 | |
Al2O3 | 21.30% | 1.00 | |
SiO2 | 66.80% | 5.32 | |
TiO2 | 6.70% | 0.40 | |
SO4 | 0.20% | n/a | |
C | 0.09% | n/a | |
LOI | 6.70% | n/a | |
Organics | 0.16% | n/a | |
Oxide Weight | 476.00 | ||
Formula Weight | 512.65 |
Minerals |
Kaolinite
The most fundamental clay mineral. This mineral is found in nature in its purest form as kaolin. How |
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Minerals |
Na-Feldspar
Most common feldspars contain both sodium and potassium. The term Na-Feldspar designates one where t |
Minerals |
K-Feldspar
Most common feldspars contain both sodium and potassium. The term K-Feldspar designates one where th |
Minerals |
Organics
Ceramic minerals can contain lignite, fibrous plant material, etc. These burn out on firing. |
Minerals |
Quartz
Quartz is the most abundant mineral on earth, it is the main crystalline mineral form of silica (SiO |
Materials |
Clay 215
|
Materials |
Clay 246
|
Materials |
Clay 261
|
Materials |
Clay 216
|
Materials |
Clay 222
|
Materials |
Clay 232
|
Materials |
Clay 233
|
Materials |
Clay 244
|
Materials |
Clay 220
|
Typecodes |
Clay Other
Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically. |
Dry Strength (kgf/cm2) | 32.0 |
---|---|
Firing Shrinkage | 1100C: 3% 1150C: 6% 1200C: 9% 1250C: 10% |
Sieve Analysis Dry | < 212 micron: 99.0% < 150 micron: 98.1% < 106 micron: 96.7% < 63 micron: 92.5% < 45 micron: 89. |
Water absorption | 1050C: 17% 1100C: 15% 1150C: 11% 1200C: 7% 1250C: 3% |
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