Dolomite Supplier in Egypt — Steel-grade Lump & Glass-grade
Egyptian dolomite supplier — Eastern Desert CaMg(CO₃)₂, steel-grade lump for slag conditioning and refractories, plus glass-grade. FOB Adabiya and Alexandria.
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Dolomite — Eastern Desert steel-grade lump, 18 % MgO, with glass-grade and agricultural options
Dolomite, CaMg(CO₃)₂, is the magnesia-bearing carbonate that steelmakers charge as a flux and slag conditioner, that refractory makers calcine into dolomitic lime, and that glass batches use as a combined CaO / MgO source. The steel buyer specifies it on MgO, CaO and the two contaminants that matter in a furnace — SiO₂ and Fe₂O₃ — plus lump size, because fines decrepitate and blind the burden. Egypt's Eastern Desert dolomite belts supply a consistent, low-silica carbonate within short road distance of the Red Sea ports.
Egypt Globe Group's catalogue line is Dolomite Lump 18 % MgO — Steel Industry: MgO ≥ 18 %, CaO ≥ 30 %, SiO₂ ≤ 2 %, Fe₂O₃ ≤ 0.5 %, LOI ≤ 45 %, ≥ 95 % combined carbonates, 40–150 mm lump, loading bulk from Adabiya. Finer glass-grade and agricultural-lime sizings are quoted on request. Many regional quarries ship whatever the face yields that week; Egypt Globe Group's QA division, built in since incorporation, assays MgO and silica on every export lot at the port laboratory before the B/L, and a lot outside the contractual CoA is rejected at the loading port rather than re-graded.
Technical specification
Dolomite Lump 18 % MgO — Physical properties
| Parameter | Specification | Test method | Standard |
|---|---|---|---|
| Lump size | 40–150 mm | ISO 13320 / sieve | ISO 13320 |
| Colour | Light grey / cream | Visual / spectrophotometer | — |
| Moisture | Reported on CoA | Oven drying | Port lab |
| Fines below 40 mm | Reported on CoA | Sieve | Port lab |
Dolomite Lump 18 % MgO — Chemical analysis
| Parameter | Limit | Test method | QA sampling |
|---|---|---|---|
| MgO | ≥ 18 % | XRF, EN 196-2 | Port lab, per lot |
| CaO | ≥ 30 % | XRF, EN 196-2 | Port lab, per lot |
| SiO₂ | ≤ 2 % | XRF, EN ISO 12677 | Port lab, per lot |
| Fe₂O₃ | ≤ 0.5 % | XRF, EN ISO 12677 | Port lab, per lot |
| Loss on ignition | ≤ 45 % | Gravimetric | Port lab, per lot |
| CaCO₃ + MgCO₃ (combined carbonates) | ≥ 95 % | Calculated from XRF / LOI | Port lab, per lot |
Glass-grade and agricultural dolomite — summary
| Parameter | Specification | Test method | Standard |
|---|---|---|---|
| Sizing | Crushed or ground to buyer specification | Sieve | Buyer specification |
| Fe₂O₃ (glass grade) | ≤ 0.1 % | XRF | Buyer specification |
| MgO, CaO | As steel grade above | XRF | Port lab |
Logistical & QA parameters
| Parameter | Detail |
|---|---|
| MOQ — containerised (FCL) | 500 MT in 1 MT FIBC or 25 kg PP bags |
| MOQ — break-bulk vessel | 500 MT; bulk parcels sized to buyer and berth |
| Packing | Bulk vessel · 1 MT FIBC · 25 kg PP bag |
| Loading ports | Adabiya (EGADA), Alexandria (EGALY), Ain Sokhna (EGSOK) |
| Incoterms | FOB / CFR / CIF; DAP / DDP on request |
| Lead time | 3–5 weeks |
| Independent inspection protocol | SGS (specified on the catalogue row), Bureau Veritas or TÜV Austria: draft survey, increment sampling per ISO 12743, witnessed XRF, sealed referee sample |
| Internal QA gate | Per-lot CoA (MgO, CaO, SiO₂, Fe₂O₃, LOI, sizing) by the port laboratory before B/L; out-of-spec lots rejected at the loading port |
| HS code | 2518.10.00 |
QA verification chain
| Gate | Control | Evidence | Who · frequency |
|---|---|---|---|
| Extraction | Quarry-bench XRF; siliceous and iron-stained zones excluded from the export face | Quarry assay log | EGG QA · per bench |
| Processing | Crushing and screening to 40–150 mm; fines removed; covered stockpile | Screen and stockpile log | Plant QC · per shift |
| Port laboratory | XRF oxides, LOI, combined carbonates, sizing, moisture on lot composite | Per-lot CoA | EGG port QC · every lot before B/L |
| Independent inspection | ISO 12743 sampling, witnessed XRF, draft survey | SGS / BV / TÜV certificate | Per shipment |
| Destination acceptance | Steel-plant or glass-plant laboratory retest against CoA | Buyer report vs CoA | Buyer · on arrival |
Applications & markets
- Steelmaking flux and slag conditioner, dolomitic refractory: steel and metal
- Glass batch CaO / MgO source, ceramic bodies: glass and ceramics
- Agricultural liming and magnesium supplementation: agricultural
- Dimension and aggregate uses: construction, stone and architecture
- Active regions: South Asia, Far East, GCC, Mediterranean — see India and Saudi Arabia import guides; Egyptian quarrying context at mining companies in Egypt
Standards & documentation
- XRF per EN 196-2 / EN ISO 12677, ISO 13320 (sizing), ISO 12743 (sampling); ISO 9001:2015, SGS verified and Egyptian Standard per the catalogue row
- Inspection · documentation · quality and compliance · Adabiya port · HS codes
Request a quote
State grade, sizing, quantity and destination; the export desk replies within 24 hours with pricing, loading port, lead time and a sample CoA. Request a quote for Egyptian Dolomite — Steel-grade & Glass-grade.
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