CEM III/A 42.5 N-LH/HSR/NA
Foundry cement
Composition
- Portland clinker in the amount of 35-50%
- Granulated blast furnace slag in the amount of 50-65%
- Secondary ingredients in the amount of 0-5%
- Setting time regulator - calcium sulfate
Characteristics
- Specific gravity 3.02 kg/dm3
- Volume of 100 kg of cement is 33.1 dm3
- Bulk density 1.33 t/m3
- High resistance to chemical aggression
- Low shrinkage
- Low heat of hydration
- Low alkali content
- Moderate early strength development dynamics
Application
- Precast concrete according to PN-EN 206-1
- Self-compacting concrete SCC
- Foundation concrete
- Concrete for massive structures
- Colored concretes and mortars
- Concrete for hydraulic structures
- Concrete with high resistance to chemical aggression
- Concrete for underground structures (culverts, tunnels)
- Soil stabilization and road subbases
- Screeds
Meets requirements
- standards PN-EN 197-1 "Cement - Part 1: Composition, requirements and conformity criteria for common cements"
- standards PN-EN 197-2 "Cement - Part 2: Conformity evaluation and verification of the constancy of performance"
- standards PN-B-19707 "Cement. Special cement. Composition, requirements and conformity criteria"
| REQUIREMENTS according to PN-EN 197-1 | UNIT | REQUIRED VALUES |
| Compressive strength after 2 days | MPa | ">= 10.0 |
| Compressive strength after 28 days | MPa | ">= 42.5 <= 62.5 |
| Setting time (beginning) | min | ">= 60 |
| Volume stability | mm | "<= 10 |
| Loss on ignition | % | "<= 5 |
| Insoluble residue | % | "<= 5 |
| Sulfate content (as SO3) | % | "<= 4 |
| Chloride content | % | "<= 0.10 |
| Chromium content Cr(VI) | ppm | "<= 2.0 |
| Hydration heat after 41 h | J/g | "<= 270 |
| Requirements according to PN-B-19707 | UNIT | REQUIRED VALUES |
| Sulfate resistance | % | "<= 0.5 |
| Alkali content (as Na2Oeq) | % | "<= 1.1 |
Technical consultancy
see
