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CEM I 52.5 N
Portland Cement – Technical Data Sheet
Product Overview
CEM I 52.5 N is a high-performance pure Portland cement developed for reinforced and prestressed concrete structures requiring exceptionally high early and final compressive strengths.
Produced under strict quality control standards, this cement guarantees consistent mineralogical composition, excellent mechanical performance and reliable durability without limestone additions.
31.5 MPa
Early Strength (2 Days)
62.5 MPa
Standard Strength (28 Days)
4150 cm²/g
Blaine Surface Area
Chemical Analysis & Mineralogical Composition
| Parameter | Unit | Average Value | Standard Limit |
|---|---|---|---|
| Silicon Dioxide (SiO₂) | % | 20.2 | – |
| Aluminum Oxide (Al₂O₃) | % | 5.6 | – |
| Iron Oxide (Fe₂O₃) | % | 3.24 | – |
| Calcium Oxide (CaO) | % | 64.25 | – |
| Sulfur Trioxide (SO₃) | % | 1.7 | ≤ 4 |
| Free Calcium Oxide (Free CaO) | % | 1 | – |
| Total Chromium (Cr) | % | < 0.03 | ≤ 0.10 |
| Loss on Ignition (LOI) | % | 1.39 | ≤ 5 |
| Tricalcium Aluminate (C₃A) | % | 6–8 | – |
Physical & Mechanical Properties
| Test | Unit | Value | Standard |
|---|---|---|---|
| Soundness | mm | 1 | < 10 |
| Initial Setting Time | min | 174 | – |
| Final Setting Time | min | 245 | – |
| Absolute Density | g/cm³ | 3.12 | – |
| Blaine Specific Surface | cm²/g | 4150 | – |
| Compressive Strength (2 Days) | MPa | 31.5 | ≥ 20.0 |
| Compressive Strength (7 Days) | MPa | 45 | – |
| Compressive Strength (28 Days) | MPa | 62.5 | ≥ 52.5 N |
Standard Compliance: EN 197-1 / NA 442
Commercial Origin: GICA – Algeria
Application: Industrial, Structural & Infrastructure Projects
Commercial Origin: GICA – Algeria
Application: Industrial, Structural & Infrastructure Projects