| 询盘内容： |
Features Specifications portland clinker:
- Strength (28 days ± 8h):-
- Compressive Strength (MPa): 50 -60
- Size: - min: 1-5mm : max 1-5%
>25mm and <5mm : min 50%
- MKN: 1÷ 2%
- Ca 64,5 ÷65,5%
- SiO2 :21,5 ÷22,5%
- SO3: 0,6 ÷0,8%
- C3 S: 45 ÷ 60%
- Al2O3 : 5,1÷ 5,6%
-C2 S: 15 ÷ 25%
- C3A: 7 ÷ 9%
-C4 AF: 10 ÷ 15%
- Fe2O3, : 3,2÷3,6%
- Mg 2÷3%
- Free Ca max ?1%
- Dregs undissolve contency: max ?1%
- Lost air fire contency: max 1,0%
- Moisture max: 1,0%
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