Product Category
Sulfate resistant Portland cement
Sulfate resistant Portland cement
◆ Appearance: grayish black, or dark brown powder.
◆ It has high sulfate resistance and low hydration heat.
Standard GB 748-2005 Sulfate Resistant Portland Cement
|
Serial number |
Testing items |
|
Technical index |
|
1 |
Loss on ignition |
|
≤3.0% |
|
2 |
Sulfur trioxide |
|
≤2.5% |
|
3 |
Magnesium oxide |
|
≤5.0% |
|
4 |
Insoluble matter |
|
≤1.5% |
|
5 |
Specific surface area |
|
≥280m2/kg |
|
6 |
Tricalcium silicate |
|
≤50.0% |
|
7 |
Tricalcium aluminate |
|
≤3.0% |
|
8 |
Setting time |
|
≥45% |
|
≤600 |
|||
|
9 |
Stability |
|
Qualified |
|
10 |
Flexural Strength |
3d |
3.0 |
|
28d |
15.0 |
||
|
11 |
Compressive Strength |
3d |
6.5 |
|
28d |
42.5 |
||
|
12 |
Sulfate Resistance |
|
14d linear expansion rate ≤ 0.040% |
Keywords:
classification:
◆ Prepare sulfate resistant concrete;
◆ Production of cement plate products, cement pipes, etc;
◆ Seaport, water conservancy, underground, tunnel culvert, diversion building, road and bridge, pipe pile pipeline, foundation concrete and other works eroded by sulfate;
◆ Sea reclamation project, coastal and submarine pipe pile foundation, island building foundation, chemical corrosion foundation and other projects;
◆ Anti seawater corrosion projects such as seawall dam, mariculture and desalination project, marine aquarium project, etc.
◆ Appearance: grayish black, or dark brown powder.
◆ It has high sulfate resistance and low hydration heat.
Standard GB 748-2005 Sulfate Resistant Portland Cement
|
Serial number |
Testing items |
|
Technical index |
|
1 |
Loss on ignition |
|
≤3.0% |
|
2 |
Sulfur trioxide |
|
≤2.5% |
|
3 |
Magnesium oxide |
|
≤5.0% |
|
4 |
Insoluble matter |
|
≤1.5% |
|
5 |
Specific surface area |
|
≥280m2/kg |
|
6 |
Tricalcium silicate |
|
≤50.0% |
|
7 |
Tricalcium aluminate |
|
≤3.0% |
|
8 |
Setting time |
|
≥45% |
|
≤600 |
|||
|
9 |
Stability |
|
Qualified |
|
10 |
Flexural Strength |
3d |
3.0 |
|
28d |
15.0 |
||
|
11 |
Compressive Strength |
3d |
6.5 |
|
28d |
42.5 |
||
|
12 |
Sulfate Resistance |
|
14d linear expansion rate ≤ 0.040% |
◆ Appearance: grayish black, or dark brown powder.
◆ It has high sulfate resistance and low hydration heat.
Standard GB 748-2005 Sulfate Resistant Portland Cement
|
Serial number |
Testing items |
|
Technical index |
|
1 |
Loss on ignition |
|
≤3.0% |
|
2 |
Sulfur trioxide |
|
≤2.5% |
|
3 |
Magnesium oxide |
|
≤5.0% |
|
4 |
Insoluble matter |
|
≤1.5% |
|
5 |
Specific surface area |
|
≥280m2/kg |
|
6 |
Tricalcium silicate |
|
≤50.0% |
|
7 |
Tricalcium aluminate |
|
≤3.0% |
|
8 |
Setting time |
|
≥45% |
|
≤600 |
|||
|
9 |
Stability |
|
Qualified |
|
10 |
Flexural Strength |
3d |
3.0 |
|
28d |
15.0 |
||
|
11 |
Compressive Strength |
3d |
6.5 |
|
28d |
42.5 |
||
|
12 |
Sulfate Resistance |
|
14d linear expansion rate ≤ 0.040% |
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