- Formula
- EN 197-1 CEM I 42.5 N
- HS code
- 2523.29
- Grades
- CEM I 42.5 N · OPC
| Attribute | Value |
|---|---|
| Standard | EN 197-1 CEM I 42.5 N or equivalent |
| SiO₂ | 19.41% |
| Al₂O₃ | 5.6% |
| Fe₂O₃ | 3.38% |
| CaO | 63.88% |
| MgO | 0.86% |
| SO₃ | 2.64% |
| Chloride | 0.06% |
| LOI | 3.5% |
| Insoluble residue | 0.49% |
| Blaine fineness | ≈ 3,050 cm²/g |
| Initial set | ≥ 75 min |
| 28-day compressive strength | ≥ 46 MPa |
| Soundness | 1.5 mm |
Packing
- 50 kg PP/paper bags
- 1.5 t jumbo bags
- Bulk
Applications
- Structural concrete
- Masonry
- Ready-mix supply
- General 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.