Loading Port:China Main Port
Payment Terms:TT OR LC
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Specification of Cement
No | result | ||
I | Chemical test |
|
|
1 | Loss on Ignition | % | 2.0 ÷ 4.0 |
2 | Insoluble Residue | % | 0.3 ÷ 2.5 |
3 | SiO2 | % | 19.0 ÷ 22.0 |
4 | Al2O3 | % | 4.0 ÷ 6.0 |
5 | Fe2O3 | % | 2.5 ÷ 3.5 |
6 | CaO | % | 61.0 ÷ 67.0 |
7 | MgO | % | 1.0÷ 4.0 |
8 | SO3 | % | 1.6÷ 2.2 |
9 | Free lime | % | 0.3 ÷ 1.5 |
10 | Toltal alkali, (Max) | % | 0.75 |
11 | (C3S + C2S), (Min) | % | 54.0 |
12 | C3A, (Max) | % | 2.5 ÷ 3.5 |
14 | C4AF, (Max) | % | 7 ÷ 11 |
15 | False Set, (Min) | % | 50 |
16 | Chloride, (Min) | % | 0.1 |
II | Physiscal test |
| 9 ÷ 11 |
1 | Fineness Blaine, ( Min) | cm2/g | 3400 |
2 | Soundness: Lecateller test, ( Max) | mm | 5 |
3 | Air content or mortar | % | 5 ÷ 10 |
4 | Autoclave Expansion |
| 0.03 ¸ 0.20 |
5 | Setting time, (Vicat test) Initial, Final, | min | 110 ¸ 160 200 ÷ 300 |
6 | Compressive Strength 3 days, (Min) 7 days, (Min) 28 days, (Min) | psi | 2320 3480 5220 |
