Grey portland cement
US $40.00
Share on (10000023991282):
Index Name | Internal Control Index | GB/T2015-2005 Standards | ||
Intensity | 3 days | 28 days | 3 days | 28 days |
Flexural strength, Mpa | 5.0 | 7.5 | 3.5 | 6.5 |
Compressive strength, Mpa | 28.0 | 46.0 | 17.0 | 42.5 |
Fineness 80um, % | ≤0.4% | Maximum 10% | ||
Initial setting time | 180 minutes | No earlier than 45 minutes | ||
Final setting time | 220 minutes | No later than 10 hours | ||
Whiteness (Hengte Value) | ≥89.0 | Minimum 87 | ||
Standard consistency | 27 | / | ||
Sulfur trioxide(%) | 3.08 | ≤3.5 |
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