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FT-K Clay

Description: Westerwald, Germany - Plastic Clay

Oxide Analysis Formula
CaO 0.20% 0.02
K2O 1.80% 0.11
MgO 0.10% 0.01
Na2O 0.20% 0.02
TiO2 1.30% 0.09
Al2O3 18.10% 1.00
SiO2 72.10% 6.76
Fe2O3 1.00% 0.04
LOI 5.10%n/a
C 0.20%n/a
Oxide Weight 534.23
Formula Weight 564.13

Notes

Raw Color - LIGHT GREY-LIGHT CREAM
Particle Size (e.s.d.)
125 microns - 0.5
63 microns - 3.7
20 microns - 86
2 microns - 55
.5 microns - 40
Modulus of Rupture at 110C
Mn/M2 - 4.7
lbf/in2 - 680
Water Absorption
1120C - 7.0
1220C - 1
Shrinkage Dry to Fired
1120C - 5.0
1220C - 7.0
Refractoriness
Cone - 29, 1650C
Plastic Index - 398
PF NO. - 26.4

Related Information

Links

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.
By Tony Hansen
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