Produced from our Saudi mining operations with tightly controlled chemistry — each grade engineered for a specific industrial application.
Key chemical values below; full specifications including physical test reports and particle size distribution are in each technical data sheet.
Fine-milled premium feldspar for ceramic bodies, sanitary ware, and porcelain tiles.
| K₂O | 5.0% |
| Na₂O | 4.0% |
| Fe₂O₃ | 0.35% |
| Al₂O₃ | 15.0% |
| SiO₂ | 73.0% |
| Particle size | 0 – 850 µm |
High-alkali grade (total alkali > 10%) for porcelain tiles and sanitary ware.
| K₂O | 6.1% |
| Na₂O | 4.1% |
| Fe₂O₃ | <0.3% |
| Al₂O₃ | 14.5% |
| SiO₂ | 73.5% |
| Particle size | 0 – 5.0 mm |
Industrial-grade feldspar engineered for glass containers and bottle production.
| K₂O | 4.5% |
| Na₂O | 4.0% |
| Fe₂O₃ | 0.4% |
| Al₂O₃ | 14.5% |
| SiO₂ | 73.0% |
| Particle size | 150 – 850 µm |
Low-iron feldspar supporting bright, high-quality white cement.
| K₂O | 4.0% |
| Na₂O | 3.5% |
| Fe₂O₃ | 0.4% |
| Al₂O₃ | 14.5% |
| SiO₂ | 73.5% |
| Particle size | 0 – 5.0 mm |
Reliable ceramic-grade feldspar with low L.O.I and controlled moisture.
| K₂O | 4.0% |
| Na₂O | 3.5% |
| Fe₂O₃ | 0.4% |
| Al₂O₃ | 14.5% |
| SiO₂ | 73.5% |
| Particle size | 0 – 5.0 mm |
Versatile feldspar grade for ceramic applications with dependable bulk supply.
| K₂O | >3.0% |
| Na₂O | >3.5% |
| Fe₂O₃ | 0.45% |
| Al₂O₃ | 14.5% |
| SiO₂ | 73.5% |
| Particle size | 0 – 5.0 mm |
* Values are typical with tolerances as stated in the technical data sheets. Custom sizing and specifications can be discussed for long-term supply programs.
MKRAM manages the full supply chain from extraction to international delivery.
Request a quote and our team will follow up with pricing, lead times, and sample arrangements.