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73 Clay

Description: Plastic Clay - Allier, France

Oxide Analysis Formula
CaO 0.30% 0.02
K2O 1.80% 0.07
MgO 0.40% 0.03
Na2O 0.10% 0.01
TiO2 1.40% 0.06
Al2O3 29.50% 1.00
SiO2 53.60% 3.08
Fe2O3 3.30% 0.07
LOI 9.60%n/a
C 0.20%n/a
Oxide Weight 312.57
Formula Weight 346.53

Notes

Raw Color - Light Cream - Cream
Particle Size (e.s.d.)
  125 microns - 0.3
   63 microns - 1.0
   20 microns - 98
    2 microns - 77
   .5 microns - 44
Modulus of Rupture at 110C
  Mn/M2 - 4.3
  lbf/in2 - 630
Water Absorption
  1120C - 6.0
  1220C - 0.50
Shrinkage Dry to Fired
  1120C - 7.5
  1220C - 8.1
Refractoriness
  Cone - , 1710C
Plastic Index - 1004
PF NO. - 44.8

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.

Data

Dry M.O.R. (50% Silica) 665C
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