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Clay 216

Alternate Names: Kil 216

Oxide Analysis Formula
SiO2 58.50% 3.82
Al2O3 26.00% 1.00
TiO2 0.60% 0.03
Fe2O3 2.50% 0.06
CaO 0.30% 0.02
MgO 0.60% 0.06
Na2O 0.20% 0.01
K2O 2.10% 0.09
LOI0.21%
Oxide Weight 356.22
Formula Weight 389.43

Related Information

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Minerals Quartz
Minerals Kaolinite
Minerals Na-Feldspar
Minerals K-Feldspar
Minerals Organics
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.
Hazards Quartz Toxicity
Materials Clay 220
Materials Clay 244
Materials Clay 233
Materials Clay 232
Materials Clay 222
Materials Clay 261
Materials Clay 246
Materials Clay 220
Materials Clay 215

Data

Dry Strength (kgf/cm2)45.0
Firing Shrinkage1050C: 0.5% 1100C: 2.5% 1150C: 5.5% 1200C: 8.5% 1250C: 9.5%
Sieve Analysis Dry< 212 micron: 98.3% < 150 micron: 97.8% < 106 micron: 97.3% < 63 micron: 95.9% < 45 micron: 94.
Water absorption1050C: 17.5% 1100C: 15% 1150C: 11.5% 1200C: 8.5% 1250C: 9.5%

By Tony Hansen


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