PORTLAND CEMENT CEM I 42,5 R
COMPOSITION OF CEMENT
- Portland clinker cement in an amount of 95-100%
- minor constituents in an amount of 0-5%
- setting time regulator - calcium sulphate
PROPERTIES
- density 3,11 kg/dm3
- bulk density 1,42 t/m3
- rapid strength growth
- high heat of hydration
- high initial and final strength
FIELD OF APPLICATION
- high-strength concrete - HSC
- self-compacting concrete - SCC
- plain freight concrete in accordance to EN 206-1 class C16/20 and higher
- concrete for vibropressed precast - for example: hard paving
- concrete for monolithic structures and elements
- cement and cement-lime mortars: "masonry and plastering"
CEMENT SATISFIES THE REQUIREMENTS OF:
- EN 197-1
- EN 197-2
| Requirements according to EN 197-1 | UNIT | REQUIRED VALUES | |
| Compressive strength after: 2 days | MPa | ≥ 20,0 | |
| Compressive strength after: 28 days | MPa | ≥ 42,5 ≤ 62,5 | |
| Binding time: (start) | min | ≥ 60 | |
| Soundness | mm | ≤ 10 | |
| Loss on ignition | % | ≤ 5,0 | |
| Insoluble residue | % | ≤ 5,0 | |
| Sulphate content (as SO3) | % | ≤ 4,0 | |
| Chloride content | % | ≤ 0,10 | |
| Chrome content - Cr (VI) | ppm | ≤ 2,0 |
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ECO production
Odra SA Cement Mill continually reduces its impact on the environment. Modernization of equipment, changes in technology and the use of a significant part of industrial waste for other activity can satisfy the most stringent requirements for the protection of the environment.