Kona F-4 Feldspar
Alternate Names: f4 feldspar, kona feldspar, kona f4 feldspar, f4 spar
Description: Soda feldspar
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 1.70% | 0.16 | |
| K2O | 4.80% | 0.26 | |
| Na2O | 6.90% | 0.58 | |
| Al2O3 | 19.60% | 1.00 | |
| SiO2 | 66.70% | 5.76 | |
| 0.30% | - | ||
| LOI | 0.20% | n/a | |
| Oxide Weight | 517.79 | ||
| Formula Weight | 518.83 | ||
Notes
This was a popular soda feldspar in North America, it is no longer available. Use MinSpar 200 instead.
Related Information
Links
| Materials |
Feldspar
In ceramics, feldspars are used in glazes and clay bodies. They vitrify stonewares and porcelains. They supply KNaO flux to glazes to help them melt. |
| Materials |
NC-4 Feldspar
|
| Materials |
G200 HP Feldspar
|
| Materials |
Minspar 200
|
| Typecodes |
Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies. |
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