1. Used in pizza ovens, incinerators, various boilers, furnaces, etc.
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High Alumina Refractory Cement (previously called bauxite cement) is a kind of grinding hydraulic cementing materials with clinker about 50% alumina content and has calcium aluminate as the main material, which is also called refractory cement, which can be made to low cement high alumina castable to build or repair all kinds of furnace and kilns for thermal insulation or acid erosion resistance with high strength.
|
Product |
CA-65 |
CA-68 |
CA-70 |
CA-75 |
CA-80 |
|
|
Chemical Composition |
Al2O3 |
64-66 |
67-69 |
69-71 |
73-75 |
77-80 |
|
|
CaO |
32-34 |
29-31 |
27-29 |
23-25 |
18-20 |
|
|
SiO2 |
1.8 |
1.2 |
0.3 |
0.3 |
0.3 |
|
|
Fe2O3 |
0.6 |
0.6 |
0.3 |
0.3 |
0.3 |
|
|
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|
Specific Surface |
4500 |
4500 |
5000 |
5500 |
7000 |
|
|
Setting time |
Initial setting (min) |
0:40 |
0:40 |
0:40 |
0:45 |
0:45 |
|
|
Final Setting (min) |
8:00 |
8:00 |
10:00 |
10:00 |
10:00 |
|
|
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|
Cold Modulus |
24 hour |
6.0 |
6.0 |
6.0 |
6.0 |
5.0 |
|
|
72 hour |
8.0 |
8.0 |
8.0 |
8.0 |
6.0 |
|
Cold Crushing Strength |
24hour |
45.0 |
45.0 |
45.0 |
45.0 |
35.0 |
|
|
72hour |
70.0 |
70.0 |
70.0 |
70.0 |
60.0 |
|
|
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|
Refractoriness |
1680 |
1710 |
1730 |
1750 |
1770 |
|
Metallurgical Furnaces: Blast furnaces, electric arc furnaces, aluminum smelting.
Ceramic Kilns: Tunnel and vertical kilns.
Glass Melting Kilns: For high-temperature melting.
Cement Kilns: In cement production.
Heat Treatment Furnaces: Annealing, quenching, and tempering.
Casting Furnaces: Iron and copper melting.
Chemical Furnaces: Cracking and ammonia synthesis.
Waste Incinerators: High-temperature waste treatment.
Thermal Power Boilers: Circulating fluidized bed boilers.
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