F-20 Feldspar
Alternate Names: F20 Feldspar
Description: Potash/sodium/calcium 20 mesh Feldspar
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 1.40% | 0.14 | |
| K2O | 4.10% | 0.24 | |
| Na2O | 6.82% | 0.62 | |
| Al2O3 | 18.85% | 1.04 | |
| SiO2 | 68.15% | 6.35 | |
| Fe2O3 | 0.07% | - | |
| LOI | 0.08% | n/a | |
| Oxide Weight | 556.87 | ||
| Formula Weight | 557.32 | ||
Notes
F-20 Feldspar is a high quality sodium/ Potassium/calcium aluminum silicate used principally as a flux for ceramic applications. Carefully beneficiated using the froth flotation process, F-20 Feldspar offers high levels of alkali oxides per unit of alumina with low iron oxide content.
Suitable for all types of glazes
Max Firing Temp: over 1250C
Related Information
Links
| Materials |
Sil-o-spar
|
| Materials |
G-20 Feldspar
|
| Materials |
G-200 Feldspar
|
| Materials |
Potash Feldspar
A feldspar having a KNaO content that predominates in potassium. |
| Materials |
Soda Feldspar
A feldspar having a KNaO content that predominates in sodium. |
| Typecodes |
Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies. |
| URLs |
https://www.thequartzcorp.com/assets/file/F_20_PDS.pdf
F-20 Feldspar data sheet |
Data
| Bulk Density lbs/cu. ft. (Packed) | 80 |
|---|---|
| Sieve Analysis Dry | Cumulative: +30 mesh 1.8 +40 mesh 15.9 +200 mesh 94.7 -200 mesh 5.3 |
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