Model: | 42.5,42.5R |
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Brand: | - |
Origin: | Made In China |
Category: | Construction & Decoration / Cement & Precast Component |
Label: | cement , portland cement , silicate cement |
Price: |
-
|
Min. Order: | - |
Live Chat: | Last Online:27 Sep, 2013 |
Portland cement |
42.5 |
42.5R |
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Items |
Units |
National |
Internal |
National |
Internal |
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Sample size |
Kg |
/ |
6.0 |
/ |
6.0 |
|||
SO3 |
% |
≤3.5 |
2.44 |
≤3.5 |
2.8 |
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MgO |
% |
≤6.0 |
1.32 |
≤6.0 |
1.4 |
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Cl |
% |
≤0.06 |
0.021 |
≤0.06 |
0.02 |
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Loss |
% |
≤5.0 |
3.74 |
≤5.0 |
4.0 |
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Fineness (specific surface) |
㎡/kg |
≥300 |
358 |
≥300 |
385 |
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Standard consistency water |
% |
/ |
28.0 |
/ |
28.0 |
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Time |
Initial |
H:Min |
≥0:45 |
4:50 |
≥45 |
228 |
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Final |
H:Min |
≤10:00 |
5:45 |
≤600 |
368 |
|||
Soundness pat test |
/ |
past |
/ |
past |
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Bending strength |
3d |
MPa |
≥3.5 |
5.1 |
≥4.0 |
6.2 |
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28d |
MPa |
≥6.5 |
8.6 |
≥6.5 |
9.2 |
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Compressive strength |
3d |
MPa |
≥17.0 |
26.6 |
≥22.0 |
30 |
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28d |
MPa |
≥42.5 |
50.9 |
≥42.5 |
52.6 |