CEM II/B-L 32.5N
CEMENT FOR RAILWAYS AND ROADS
BULK
MAIN APPLICATIONS
- Reinforced and mass concrete in big volumes
- Mass concrete foundations
- Soil-cement
- Gravel-cement
- Compacted concrete
- Soil stabilization
- Mortars and masonry in general
MAIN USAGE RESTRICTIONS
- Prestressed concrete
- High strength and emergency repair concrete
- Concrete for rapid removal of formwork and uncasing
- Shotcrete
- Structural precast concrete
PRECAUTIONS
- Store in a watertight and dry place
- Store preferably for less than three months
- Take care of the dosage, mixing and curing to avoid desiccation
- Store bags in a dry place, protected against rain and isolated from soil
- Do not mix with gypsum or other type of cement
SPECIFICATIONS
• Specifications UNE-EN 197-1:2011
Constituents:
- Clinker: 65-79%
- Limestone: 21-35%
- Minor constituents: 0-5%
These values refer to the cement core excluding calcium sulphate or any other additive
Chemical requirements:
- Sulphates ≤ 3.5%
- Chlorides ≤ 0.10%
Mechanical requirements:
- Compression strength at 7 days ≥ 16.0 MPa
- Compression strength at 28 days ≥ 32.5 MPa ≤ 52.5 MPa
Physical requirements:
- Initial setting time ≥ 75 minutes
- Soundness ≤ 10 mm