Pure Calcium Aluminate Cement
 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% |
≤0.5
|
≤0.5
|
≤0.5
|
≤0.5
|
| SiO2% |
≤0.5
|
≤0.50
|
≤0.50
|
≤0.50
|
| Specific Surface Area(g/cm2) |
≥5000
|
≥5000
|
≥6000
|
≥7000
|
| Setting time |
Beginning Set(min) |
≥40
|
≥45
|
≥30
|
≥15
|
| Ending Set(h) |
≤6h
|
| Strength Cured for 24h(MPa) |
Bending Strength |
≥6.0
|
≥5.0
|
≥4.5
|
≥4.0
|
| Compressive Strength |
≥45.0
|
≥40
|
≥40
|
≥35.0
|
| Refractoriness( °C ) |
1560
|
1560
|
1790
|
1790
|
|
|
