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Cement, coal & petcoke
Alongside fertilizers, we supply cement, clinker and solid fuels to construction and heavy industry.
| Typical specification | Value |
|---|---|
| Type | CEM I Portland cement (EN 197-1) |
| Strength classes | 32.5 · 42.5 · 52.5 |
White cement
High-strength white Portland cement for architectural, decorative and precast work.
| Typical specification | Value |
|---|---|
| Type | CEM I 52.5 N or 52.5 R white (EN 197-1) |
Clinker, grey and white
The intermediate product ground with gypsum to make Portland cement.
| Typical specification | Value |
|---|---|
| MgO | 5.0% max |
| Calcium silicates (C₃S + C₂S) | At least two-thirds by mass |
| CaO / SiO₂ ratio | 2.0 min |
| Typical specification | Value |
|---|---|
| Calorific value | 4,700–6,000 kcal/kg NAR, by origin |
Petroleum coke
A high-energy fuel from oil refining, used in cement kilns and power plants.
| Typical specification | Value |
|---|---|
| Gross calorific value | About 8,000 kcal/kg |
| Sulphur | By grade; low-sulphur grades available |
Cement in bulk, 50 kg bags or big bags; clinker, coal and petcoke in bulk.
Typical specification. The contract specification is agreed with the buyer and confirmed for every shipment.