Technical 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 3.03 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 sub-bases
- Screeds
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 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 (start) | min | ">= 60" |
| Volume stability | mm | "<= 10" |
| Loss on ignition | % | "<= 5.0" |
| Insoluble residue | % | "<= 5.0" |
| Sulfate content (as SO3) | % | "<= 4.0" |
| Chloride content | % | "<= 0.10" |
| Hydration heat after 41 h | ppm | "<= 270" |
| Requirements according to PN-B-19707 | UNIT | REQUIRED VALUES |
| Resistance to sulfate aggression | % | "<= 0.5" |
| Alkali content (as Na2Oeq) | % | "<= 1.1" |
Technical consultancy
see
