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Standard Porcelain Kaolin

Alternate Names: English Standard Porcelain, Eng Stn Porc, Standard Porcelain China Clay

Description: A white burning high strength Cornish kaolin

Oxide Analysis Formula
CaO 0.10% -
K2O 1.60% 0.05
MgO 0.30% 0.02
Na2O 0.10% -
TiO2 0.03% -
Al2O3 37.00% 1.00
SiO2 48.00% 2.20
Fe2O3 0.60% 0.01
LOI 12.40%n/a
Oxide Weight 241.85
Formula Weight 276.08


A popular kaolin from the UK.

Particle Size Distribution:
>53 microns: 0.03 max
>10 microns: 4
<2 microns: 70

Modulus of Rupture, Kgf/cm2:
At 80% Relative Humidity: 14.0
Dried at 110C: 31.7

Casting Rate @ 63% solids (mm2/min): 0.35
% P84 Deflocculant Required for 5 Poise Slip: 0.75

1180C 1280C 1410C
Fired Absorption: 15% 6% 1%
Fired Shrinkage: 9% 14% 17%
Brightness: 91 88 77

A white burning UK kaolin often used in porcelains. If unavailable find a substitute having low Fe2O3 and low TiO2. If plasticity suffers augment it with a small addition of white burning bentonite in the body recipe (e.g. 1-2%).

Related Information


Minerals Mica
See Muscovite.
Minerals Kaolinite
The most fundamental clay mineral. This mineral is found in nature in its purest form as kaolin. How
Materials Grolleg Kaolin
A white burning kaolin from the UK, commonly used in porcelain bodies and as a glaze suspender. Sticky when wet, low plasticity.
Materials Super Standard Porcelain
Materials NSC Kaolin
Materials Remblend Kaolin
Materials Treviscoe Kaolin
Materials English Kaolin
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.


Pyrometric Cone Equivalent 33
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