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WTD Kaolin

Alternate Names: Ceraclay WTD

Oxide Analysis Formula
CaO 0.05% 0.00
K2O 3.85% 0.12
MgO 0.30% 0.02
Na2O 0.10% 0.00
TiO2 0.05% 0.00
Al2O3 34.50% 1.00
SiO2 50.00% 2.46
Fe2O3 0.75% 0.01
LOI10.30%
Oxide Weight 264.90
Formula Weight 295.32

Notes

Particle Size Distribution:
>53 microns: 1.0 max
>10 microns: 15
<2 microns: 35

Modulus of Rupture, Kgf/cm2:
At 80% Relative Humidity: 4.0
Dried at 110C: 7.0

Casting Rate @ 65% solids (mm2/min): 6.0
% P84 Deflocculant Required for 5 Poise Slip: 0.45

1180C 1280C
Fired Absorption: 10% 2%
Fired Shrinkage: 10% 15%
Brightness: 78 75

Related Information

Links

Minerals Mica
Minerals Kaolinite
Materials Kaolin
Typecodes Kaolin
Pure clay mineral, there are many brand names of varying purity and iron content.

By Tony Hansen


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