Clinker
Cement clinker of consistent chemistry for grinding plants and cement producers.
Overview
Oman and the wider Gulf have clinker capacity well beyond local demand. We buy clinker from integrated cement plants and supply grinding units in East Africa, South Asia and the Indian Ocean islands, where it is ground with gypsum into finished cement.
The chemical and physical specification is agreed before a cargo is fixed, and every shipment is sampled and analysed at the loading port. Cargoes move in bulk on handysize and supramax vessels, typically in parcels of 25,000 to 60,000 tonnes.
Typical specification
| Parameter | OPC clinker | SR clinker |
|---|---|---|
| C₃S | 55% min | 50% min |
| C₃A | 7–10% | 5% max |
| Free lime (f-CaO) | 1.5% max | 1.5% max |
| MgO | 3.0% max | 3.0% max |
| SO₃ | 1.5% max | 1.5% max |
| Loss on ignition | 0.5% max | 0.5% max |
| Insoluble residue | 0.75% max | 0.75% max |
| Size | 0–50 mm, 90% min | 0–50 mm, 90% min |
Enquire with the Clinker desk
Send your grade, quantity, packing and destination port. We will reply with availability and an indicative price within one business day.