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Clay 220

Alternate Names: Kil 220

Oxide Analysis Formula Tolerance
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

Related Information

Links

Minerals Kaolinite
The most fundamental clay mineral. This mineral is found in nature in its purest form as kaolin. How
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.

Data

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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