- Formula
- EN 197-1 CEM I 52.5 N
- HS code
- 2523.29
- Grades
- CEM I 52.5 N
| Attribute | Value |
|---|---|
| Standard | EN 197-1 CEM I 52.5 N or equivalent |
| SiO₂ | 19.85% |
| Al₂O₃ | 5.70% |
| Fe₂O₃ | 3.70% |
| CaO | 64.5% |
| MgO | 1.01% |
| SO₃ | 2.85% |
| Chloride | 0.05% |
| LOI | 2.28% |
| Blaine fineness | ≈ 3,370 cm²/g |
| Initial set | ≥ 45 min |
| 2-day strength | 26 MPa |
| 28-day compressive strength | 52.5–56 MPa |
| Soundness | 1.15 mm |
Packing
- 50 kg bags
- Jumbo bags
- Bulk
Applications
- Bridges
- Precast elements
- Tunnels
- High-performance concrete
- High-rise construction
Specifications, grades, packing and classification are subject to the final sales contract, the Certificate of Analysis issued for each shipment, and the applicable requirements of the destination country.
HS classification is given for guidance. Final tariff classification is determined by the customs authority of the destination country.