Cement PCB40 – 42.5
Portland Cement Blended PCB 40 branded LS helps to increase the flexibility of concrete, waterproof, impregnation to environment; strengthen the lifetime of constructions, and is very suitable with the tropical climate conditions of Vietnam. Advantages of Portland Cement Blended PCB 40.
Specification:
| No. | Characteristic | Units | Typical Test result | TCVN 6260:2009 PCB 40 specified |
| 01 | Fineness | |||
| Specific surface | cm2/g | 3650 | Min. 2800 | |
| 0.09mm residue | % | 0.5 | Max. 10 | |
| 02 | Soundness | mm | 1.45 | Max. 10 |
| Le Chaterlier | ||||
| 03 | Standard Consistence | % | 28.2 | |
| 04 | Setting time | |||
| Initial set | min | 140 | Min. 45 min | |
| Final set | min | 180 | Max. 420 min | |
| 05 | Compressive strength | |||
| 03 days | N/mm2 | 24.7 | Min. 18 | |
| 28 days | N/mm2 | 47.0 | Min. 40 | |
| 06 | % | 0.85 | – | |
| Magnesium oxide – MgO in cement | ||||
| 07 | S03 content | % | 2.00 | Max. 3.5 |
| 08 | Free-CaO | % | 0.55 | – |