Grades and specs can be customized per application. Contact us for current availability and COA.
| Parameter | Soda Feldspar | Potash Feldspar | Quartz |
|---|---|---|---|
| SiO₂ | ~68–72% | ~65–70% | ≥ 98% |
| Al₂O₃ | ~18–20% | ~18–20% | ≤ 1% |
| K₂O/Na₂O | Na₂O 6–9% | K₂O 8–12% | – |
| Fe₂O₃ | ≤ 0.3% | ≤ 0.3% | ≤ 0.05% |
*Values are indicative; final specs vary by grade and source. COA provided per batch.
