Weekly certificate of chemical and physical tests. Twiga Ordinary, Cem I Class 42.5 N
09
th to 15
th July, 2007
Sampled and tested in accordance with the requirements of the Tanzanian standard
TZS 727:2002. Equivalent to EN 197 - 1
| Test |
Unit |
Results |
Specified requirements |
| Initial setting time |
Minutes |
142 |
More than 60 minutes |
| Soundness (expansion) |
mm |
1.5 |
Less than 10.0 mm |
| Compressive strenght 2 days |
MPa |
17.8 |
More than 10 MPa |
| Compressive strenght 28 days* |
MPa |
46.3 |
Between 42.5 and 62.5 MPa |
Remarks: * Cement dispatched during week 24/2007
Wazo Hill, 2007/07/18
th