CEM II/B-S 42,5N
Portland-slag cement
All-purpose cement for all types of concrete work requiring high final strength and a higher structural load capacity. Ideal cement for the production of ready-mixed concrete. The low development of heat of hydration also predetermines it to concreting in warm weather.
Ideal cement
for ready-mixed
concrete production
CEM II / B-S 42,5N is a cement produced by fine grinding of Portland clinker, granulated blast-furnace slag (21 – 35% according to EN 197-1) and gypsum. It attains 2-day strengths ranging from 20 to 23 MPa and standard 28-day strengths of 54 to 58 MPa.
| Essential properties | Harmonized Standard EN 197-1 | CEMMAC CEM II/B-S 42,5N |
|---|---|---|
| 2-day compressive strength (MPa) | ≥ 10 | 20 - 23 |
| 28-day compressive strength (MPa) | ≥ 42,5 ≤ 62,5 | 54 - 58 |
| Initial setting time (min) | ≥ 60 | 230 ± 30 |
| Volume stability (expansion) – Le-Chatelier (mm) | ≤ 10 | 0,0 – 2,0 |
| SO₃ sulphate content (%) | ≤ 3,5 | 2,5 - 2,9 |
| Chloride content (%) | ≤ 0,10 | 0,05 ± 0,09 |
- plain concrete and reinforced concrete even of higher strength classes
- monolithic and massive concrete structures
- concrete structures within water structures
- hard surfaces made of concrete
- concretes and concrete elements exposed to mechanical load
- subconcrete and cement screeds
- very good workability and soundness
- very good pumpability of concretes
- low development of heat of hydration
- high final strengths
- moderate resistance to chemical aggression (up to the XA1 environment)
The quality of cements is supervised by TSÚS Bratislava. CEMMAC holds an ISO 9001:2008 Quality Management certificate and an ISO 14001:2004 Environmental Management certificate.