CEM II/B-S 42,5 N-NA
Portland cement blast furnace slag
Composition
- Portland clinker in the amount of 65-79%
- Granulated blast furnace slag in the amount of 21-35%
- Secondary ingredients in the amount of 0-5%
- Setting time regulator - calcium sulfate
Characteristics
- Specific gravity 3.06 kg/dm3
- Volume of 100 kg of cement is 32.7 dm3
- Bulk density 1.38 t/m3
- High strength in long maturation periods
- Moderate early strength development
- Extended setting times
- Moderate heat of hydration
- Low alkali content
- Low shrinkage
- Good workability
- Enhanced resistance to chemical aggression
- Light color
Application
- Commercial concrete according to PN-EN 206-1
- Monolithic or prefabricated structures and elements
- Foundation concrete
- Concrete for hydraulic structures
- Concrete for underground structures (culverts, tunnels)
- Soil stabilization and road subgrades
- Building mortars
- Lean concrete for substructures of load-bearing structures
Meets requirements
- PN-EN 197-1 standards "Cement - Part 1: Composition, requirements and conformity criteria for common cements"
- PN-EN 197-2 standards "Cement - Part 2: Assessment and verification of constancy of performance"
- PN-B-19707 standards "Cement. Special cement. Composition, requirements and conformity criteria"
| REQUIREMENTS according to EN 197-1 | UNIT | REQUIRED VALUE |
| Compressive strength after 2 days | MPa | ≥ 10.0 |
| Compressive strength after 28 days | MPa | ≥ 42.5 ≤ 62.5 |
| Setting time (initial) | min | ≥ 60 |
| Volume stability | mm | ≤ 10 |
| Sulfate content (as SO3) | % | ≤ 3.5 |
| Chloride content | % | ≤ 0.10 |
| Chromium content Cr(VI) | ppm | ≤ 2.0 |
| Requirements according to PN-B-19707 | UNIT | REQUIRED VALUES |
| Alkali content (as Na2Oeq) | % | ≤ 0.8 |
Technical consultancy
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