| Pure Calcium Aluminate
Cement produced in the company is a hydraulic binder with high alumina
content. It is one of the important ingredient of high-quality
unshaped refractories.The company can provide cement witt various
content of alumina according to your order.The properties of the
three brands of cement being produced are as following. |
| Brands
Property |
AL-65 |
AL-70 |
AL-75 |
AL-80 |
| Chemical
Analysis(%) |
Al2O3% |
63.0-67.0 |
67.5-71.5 |
73.0-77.0 |
78.0-82.0 |
| CaO% |
32.5-34.0 |
26.5-30.5 |
24.0-26.0 |
17.0-20.0 |
| Fe2O3% |
¡Ü0.5 |
¡Ü0.5 |
¡Ü0.5 |
¡Ü0.5 |
| SiO2% |
¡Ü0.5 |
¡Ü0.50 |
¡Ü0.50 |
¡Ü0.50 |
| Specific
Surface Area(g/cm2) |
¡Ý5000 |
¡Ý5000 |
¡Ý6000 |
¡Ý7000 |
| Setting
time |
Beginning
Set(min) |
¡Ý40 |
¡Ý45 |
¡Ý30 |
¡Ý15 |
| Ending
Set(h) |
¡Ü6h |
| Strength
Cured for 24h(MPa) |
Bending
Strength |
¡Ý6.0 |
¡Ý5.0 |
¡Ý4.5 |
¡Ý4.0 |
| Compressive
Strength |
¡Ý45.0 |
¡Ý40 |
¡Ý40 |
¡Ý35.0 |
| Refractoriness(
°C ) |
1560 |
1560 |
1790 |
1790 |
|
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