Portland cement
EnduraPro Cement 42.5 R (CEM I 42.5 R)
Portland Cement (NA 442/2013) CEM I 42.5 R is for high-performance concrete with rapid short-term strength, intended for areas with short form work removal times, particularly recommended for concrete pouring in cold weather during winter.
Application areas
- Concrete products which require rapid hardening
- Concreting in sliding forwork, especially in wintertime
- Concrete resistant to frost in the presence of de-icing salts
- Bridge decks
- Concrete sails
- sprayed concrete, pumped and concrete for waterproofing.
Recommended applications
- Aa suitable product to realize all building steps.
- Self-consolidating concrete.
Health and safety
The chemical composition of the cement content of harmful substances is according to required sanitary-epidemiological standards. While working with cement, avoid eye and skin contact, do not inhale dust and use appropriate protective clothing, gloves, eyes and face protection.
Potential composition of Clicker:
| Value | |
|---|---|
| C3S | 56-66% |
| C2S | 5.1-7.2% |
Chemical requirements:
| Value | |
|---|---|
| Loss on ignition | 26-37 |
| Sulphates Content | 2.2-2.8 |
| Magnesium Oxide content (MgO) | 1.7-2.8 |
| Chloride content (CI-) | 0.03-0.07 |
Mechanical requirements:
| Value | |
|---|---|
| Compression strength | at 2 days ≥ 20 MPa ≤ 29 MPa |
| Compression strength | at 28 days ≥ 42.5 MPa ≤ 52.5 MPa |
Physical properties:
| Value | |
|---|---|
| Normal consistency | 25.8-26.4% |
| Hot expansion | 0.25-1.0mm |
Setting time:
| Value | |
|---|---|
| Setting start | 150-190min |
| Setting end | 220-250min |
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