Product Catalog & Assays
Industrial Minerals Chemical & Physical Specifications
| Fraction Size | Grade Description | MgO Min | CaO Min | SiO₂ Max | LOI | Target Plant Application |
|---|---|---|---|---|---|---|
| 1 - 4 mm | Fine Sinter Dolomite | 20.0% - 21.2% | 30.0% - 31.2% | < 0.85% | 45.8% | Iron ore sinter plants & pelletizing beds |
| 2 - 6 mm | Metallurgical Sinter Grade | 20.2% - 21.5% | 30.2% - 31.5% | < 0.80% | 46.0% | Blast furnace sinter feed & refractory gunning |
| 10 - 30 mm | Standard BOF Lump Flux | 20.5% - 21.8% | 30.5% - 31.8% | < 0.75% | 46.5% | Direct Basic Oxygen Furnace (BOF) charging |
| 20 - 60 mm | Coarse Smelting Lump | 20.0% - 21.5% | 30.2% - 31.6% | < 0.85% | 46.2% | Ferro-manganese, ferro-silicon & cupolas |
| Calcined Burnt | Kiln Processed Dolomite | 38.0% - 41.5% | 55.0% - 58.5% | < 1.10% | < 2.0% | Ladle Refining Furnace (LRF) & slag splashing |
End-to-End Quality Chain
Mechanized Mining to Railway Rake Siding Process
Zero-Contamination Supply
01
Selective Mining & Blasting
High-purity deposit identification ensuring zero shale or overburden dilution.
02
Multi-Deck Vibratory Screening
Precision sizing in 1-4mm, 2-6mm, 10-30mm, 20-60mm with strict fines control.
03
XRF Spectrometry Assay QA
Daily chemical testing per IS 1760 standards to guarantee SiO₂ < 0.75% and MgO > 20.5%.
04
BOXN Rake Siding Dispatch
Rapid full-rake loading (3,800 MT) at Korba, Raipur, and Chandrapur siding bases.
OUR LEGACY (SINCE 2018)
At ANCROWN, we proudly build on over eight years of dedicated growth, strengthened by 126 years of collective expertise in Limestone and Dolomite.
OUR PROMISE
The purity you seek, delivered with the reliability you deserve. Satisfaction is not measured in days, but in decades of enduring excellence.
OUR VALUES
Integrity, transparency, and responsibility guide every decision. We go beyond specifications to ensure uninterrupted plant production.