WC-5 Kaolin

Oxide	Analysis	Formula
CaO	0.06%	-
K2O	0.18%	0.01
MgO	0.05%	-
Na2O	0.03%	-
TiO2	1.50%	0.05
Al2O3	38.40%	1.00
SiO2	45.60%	2.02
Fe2O3	0.40%	0.01
LOI	13.80%	n/a
Oxide Weight		229.02
Formula Weight		265.69

Notes

Wilklay WC-5 is a clean, high quality, very white firing airfloated kaolin especially selected for the whitewares segment of the ceramic industries. The clay has very low residue, an intermediately fine particle size and high plasticity. It is an alternative to #6 Tile and Sapphire kaolin.

Moisture, Max% as produced: 1.0
325 mesh residue, Max: 1.0
Median particle size: 1.2 microns
pH (28% solids), average: 6.9
CEC (Meq/100 gr): 4.0

Particle size:
% Finer than 20 microns: 98
10 microns: 93
5 microns: 80
2 microns: 58
1 micron: 44
0.5 microns: 27

Related Information

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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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