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 | Tolerance |
|---|---|---|---|
| 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 | ||
Notes
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
Links
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Mica
See Muscovite. |
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Kaolinite
The most fundamental clay mineral. This mineral is found in nature in its purest form as kaolin. How |
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Super Standard Porcelain
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NSC Kaolin
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Remblend Kaolin
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Treviscoe Kaolin
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English Kaolin
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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. |
Data
| Pyrometric Cone Equivalent | 33 |
|---|
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