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Ceraclay WTC Kaolin

Oxide Analysis Formula
CaO 0.05% -
K2O 2.20% 0.07
MgO 0.30% 0.02
Na2O 0.10% -
TiO2 0.05% -
Al2O3 36.50% 1.00
SiO2 48.50% 2.26
Fe2O3 0.85% 0.01
LOI 11.20%n/a
Oxide Weight 247.45
Formula Weight 278.67

Notes

Particle Size Distribution:
>53 microns: 1.0 max
>10 microns: 18
<2 microns: 26

Modulus of Rupture, Kgf/cm2:
At 80% Relative Humidity: 3.0
Dried at 110C: 6.0

Casting Rate @ 65% solids (mm2/min): 6.5
% P84 Deflocculant Required for 5 Poise Slip: 0.40

1180C 1280C
Fired Absorption: 19% 11%
Fired Shrinkage: 6% 10%
Brightness: 84 86

Related Information

Links

Materials Kaolin
The purest of all clays in nature. Kaolins are used in porcelains and stonewares to impart whiteness, in glazes to supply Al2O3 and to suspend slurries.
Typecodes Kaolin
Pure clay mineral, there are many brand names of varying purity and iron content.
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