| PORTLAND CEMENT GB175-2007 P.C32.5 | |||||
|
composite portland cement P.C32.5 |
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| Items | Examine date | Mandatory targets | Standard | ||
| Mgo(%) | 2.58 | Max 5% | GB/T 176-1996 | ||
| SO3(%) | 2.32 | Max 3.5% | GB/T 176-1996 | ||
| L.O.I(%) | 4 | Max5.0% | GB/T 176-1996 | ||
| Chloridion(%) | 0.0256 | Max0.6% | GB/T 176-1996 | ||
| Fineness(%) | 2.4 | Max10% | GB/T 1345-2005 | ||
| Initial setting time | 158 | Min45 | GB/T 1346-2001 | ||
| Final setting time | 246 | Max600 | GB/T 1346-2001 | ||
| Soundness | qualified | qualified | GB/T 1346-2001 | ||
| 38.5 | 38 | 38.2 | |||
| Average=38.3 | |||||

