Potassium Feldspar
Potassium Feldspar from India
Accord Minerals & Chemicals is one of the leading manufactures and exporter of Potassium Feldspar in India. With one of the best mines in Rajasthan (India) for Feldspar, we have been providing the desired quality of Sodium Feldspar to our clients for the last 20 years. We have all grades of Soda Feldspar that we provide to our clients as per there specifications and requirement.
Feldspar in the ceramic industry is primarily used as a flux for vitrification. The alkalis in Feldspar (calcium oxide, potassium oxide, and sodium oxide) act as a flux. Fluxes melt at an early stage in the firing process, forming a glassy matrix that bonds the other components of the system together. This improves the strength, toughness, and durability of the ceramic body. The amount of flux in a ceramic body should be only in such a proportion as to develop the desired amount of vitrification.
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Chemical Analysis – Potassium Feldspar |
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| Compound | Abbreviation | Range |
| Potassium Oxide | K2O | 11.0% (+/- 1.0%) |
| Aluminium Oxide | Al2O3 | 18.0% (+/- 1.0%) |
| Sodium Oxide | Na2O | 2.8 % (+/- 0.5 %) |
| Silica | SiO2 | 65.0 % (+/- 1.0 %) |
| Iron | Fe2O3 | 0.05% (+/- 0.05%) |
| Titanium Oxide | TiO2 | Negligible |
| Calcium Oxide | CaO | Negligible |
| Magnesium Oxide | MgO | Negligible |
| Loss on Ignition | LoI | Max 0.3 % |
| Fineness (Mesh) | 200 Mesh / 300 Mesh | |
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