Dolomite is a natural mineral composed of calcium and magnesium. Known for its high purity, brightness, and balanced composition, it is especially valued for its very low iron content — making it an ideal choice for ultra-clear glass, solar panel glass and other high-performance industrial applications.
Since 1999, MidAtlantic has built deep expertise in sourcing and processing low iron dolomite through precise crushing, screening, drying, and rigorous quality control. This expertise guarantees a consistently high-quality product, specifically tailored to meet the exacting standards of industries like solar glass, advanced ceramics, and engineered materials.
Our Low Iron Dolomite is a high-quality material with exceptionally low iron content, carefully sourced and processed to meet the strictest purity standards. It is available in two specialized grades designed for specific industrial applications.
SolarDol
(Fe₂O₃ ≤ 80 ppm) – Low Iron Dolomite
Engineered for ultra-clear solar glass:
Enhances light transmission and prevents unwanted coloration, making it ideal for high-efficiency photovoltaic applications.
Ultra-high purity source:
Carefully selected for its low iron content and consistent chemical composition, ensuring superior performance in solar panel glass, optical glass, and high-end ceramics.
Optimized particle size distribution:
Designed for glass melting efficiency, ensuring uniform composition and stability in high-tech manufacturing.
Typical Specification
| Oxide | % Concentration |
|---|---|
| CaO | MIN 30.5% |
| MgO | MIN 20.5% |
| Al₂O₃ | MAX 0.05% |
| SiO₂ | MAX 0.05% |
| Fe₂O₃ | ± 0.008 % = 80 PPM |
| US Mesh | Microns | % Retained |
|---|---|---|
| 10 | 2000 | 0% |
| 200 | 75 | 90% - 100% |
| - | PAN | 0% - 10% |
SpanDol
(Fe₂O₃ ≤ 200 ppm) – High-Quality Dolomite
Ideal for premium glass applications :
Provides excellent brightness and transparency, making it suitable for flat glass, container glass, and specialized ceramics.
Balanced purity and cost efficiency:
A cost-effective solution while maintaining low iron content, ensuring high-quality end products.
Optimized particle size distribution:
Designed for glass melting efficiency, ensuring uniform composition and stability in high-tech manufacturing.
Typical Specification
| Oxide | % Concentration |
|---|---|
| CaO | ± 31.10% |
| MgO | ± 21.10% |
| Al₂O₃ | ± 0.017% |
| SiO₂ | ± 0.017% |
| Fe₂O₃ | MAX 0.02% = 200 PPM |
| US Mesh | Microns | % Retained |
|---|---|---|
| 10 | 2000 | 0% |
| 200 | 75 | 95% - 100% |
| - | PAN | 0% - 5% |
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Quartzite Ferland-Boilleau Inc.
86 rue Sainte Anne, suite 200St-anne-de-Bellevue, QC
H9X 1L8
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