Grey portland cement
US $40.00
Share on (11000003229839):
No. | Items | Unit | Specifications |
1 | CaO | % | 65.00 min |
2 | SiO2 | % | 20.00 min |
3 | Fe2O3 | % | 3.00-4.50 |
4 | Al2O3 | % | 4.5-6.50 |
5 | MgO | % | 3.50 max |
6 | Free lime | % | 1.50 max |
7 | Insoluble residue (IR) | % | 1.00 max |
8 | SO3 | % | 1.00 max |
9 | Total alkali | % | 1.00 max |
10 | LOI | % | 1.00 max |
11 | C3S | % | 54.00 min |
12 | C3A | % | 7.00-12.00 |
13 | C2S | % | 12.00-21.00 |
14 | C3S + C2S | % | 70 min |
15 | LSF | % | 92.00 min |
16 | 5mm – 25mm | % | ≥ 40 |
17 | 0-1 mm | % | Max 15% |



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