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 | 0.25% |
| Al₂O₃ | 15.8% |
| SiO₂ | 73.5% |
| Particle size | 0 – 850 µm |
High-alkali grade (total alkali > 10%) for porcelain tiles and sanitary ware.
| K₂O | 6.3% |
| Na₂O | 4.1% |
| Fe₂O₃ | <0.25% |
| Al₂O₃ | 14.9% |
| SiO₂ | 72.9% |
| Particle size | 0 – 5.0 mm |
Industrial-grade feldspar engineered for glass containers and bottle production.
| K₂O | 4.2% |
| Na₂O | 4.0% |
| Fe₂O₃ | 0.2% |
| Al₂O₃ | 15.3% |
| SiO₂ | 74.3% |
| Particle size | 150 – 850 µm |
Low-iron feldspar supporting bright, high-quality white cement.
| K₂O | 5.2% |
| Na₂O | 3.5% |
| Fe₂O₃ | 0.4% |
| Al₂O₃ | 15.7% |
| SiO₂ | 73.8% |
| Particle size | 0 – 5.0 mm |
Reliable ceramic-grade feldspar with low L.O.I and controlled moisture.
| K₂O | 5.2% |
| Na₂O | 3.2% |
| Fe₂O₃ | 0.3% |
| Al₂O₃ | 15.8% |
| 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 | 15.3% |
| SiO₂ | 76.1% |
| 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.
Six new grades, available from Q1 2027. Advance enquiries and pre-qualification samples on request.
Ceramic grade for ceramic and porcelain tiles, and a performance filler in white cement.
| K₂O | 6.0% |
| Na₂O | 3.9% |
| Fe₂O₃ | 0.20% |
| Al₂O₃ | 15.5% |
| SiO₂ | 71.8% |
| Particle size | 800 µm – 4.5 mm |
Fine glaze grade for red body tiles.
| K₂O | >4.0% |
| Na₂O | >3.5% |
| Fe₂O₃ | 0.4% |
| Al₂O₃ | 15.5% |
| SiO₂ | 75.2% |
| Particle size | < 150 µm |
Premium high-potash (10.5% K₂O) 200-mesh grade: glazes for tiles, sanitary ware, porcelain and kitchenware; frits; and a high-potash additive for glass.
| K₂O | 10.5% |
| Na₂O | 2.8% |
| Fe₂O₃ | 0.1% |
| Al₂O₃ | 16.0% |
| SiO₂ | 69.0% |
| Particle size | −200 mesh (< 75 µm) |
Premium high-potash (10.5% K₂O) coarse grade: alkali booster for sanitary ware and insulators.
| K₂O | 10.5% |
| Na₂O | 2.8% |
| Fe₂O₃ | 0.1% |
| Al₂O₃ | 16.0% |
| SiO₂ | 69.0% |
| Particle size | 3 – 8 mm |
Premium high-potash (10.5% K₂O) 200-mesh grade: glazes for tiles, sanitary ware, porcelain and kitchenware; frits; and a high-potash additive for glass.
| K₂O | 10.5% |
| Na₂O | 2.8% |
| Fe₂O₃ | 0.1% |
| Al₂O₃ | 16.0% |
| SiO₂ | 69.0% |
| Particle size | −200 mesh (< 75 µm) |
Glass grade for container glass, float glass and bottles.
| K₂O | 5.8% |
| Na₂O | 3.7% |
| Fe₂O₃ | 0.14% |
| Al₂O₃ | 16.0% |
| SiO₂ | 73.5% |
| Particle size | 150 – 800 µm |
Soda feldspar (Selspar) for glass production.
| K₂O | >3.0% |
| Na₂O | >3.5% |
| Fe₂O₃ | 0.2% |
| Al₂O₃ | 15.5% |
| SiO₂ | 76.5% |
| Particle size | 0 – 5.0 mm |
Premium high-potash (10.5% K₂O) 200-mesh grade: glazes for tiles, sanitary ware, porcelain and kitchenware; frits; and a high-potash additive for glass.
| K₂O | 10.5% |
| Na₂O | 2.8% |
| Fe₂O₃ | 0.1% |
| Al₂O₃ | 16.0% |
| SiO₂ | 69.0% |
| Particle size | −200 mesh (< 75 µm) |
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.