99.2% Alumina Cement Refractory Cement Used In Metallurgy Petrochemical Thermoelectricity
Alumina Cement
Refractory Cement
Application:
Widely used in metallurgy, petrochemical, thermoelectricity, building materials and other industries, is the preferred refractory manufacturers of high quality cementitious materials.
Property
* Better insulation
* Lower thermal conductivity
* Higher fire resistance
* Good high temperature performance
* Acid slag corrosion resistance
* Strong ability to avoid crack heat shock and erosion.
Chemical Composition & Physical Property
|
Brand |
CA-70 |
CA-75 |
CA-80 |
|
Chemical composition (%) |
|||
|
Al2O3 (%) min |
68.5-70.5 |
73.5-75.5 |
78.5-80.5 |
|
CaO (%) max |
29.5-30.5 |
23.5-24.5 |
17.5-19.5 |
|
SiO2 (%) max |
0.5 |
0.45 |
0.35 |
|
Fe2O3 (%) max |
0.3 |
0.25 |
0.26 |
|
Specific surface area (m2/kg) min |
420 |
420 |
420 |
|
Initial setting time: (h: min) |
≥0:30 |
≥0:30 |
≥0:30 |
|
Final setting time: (h: min) |
<6:00 |
<6:00 |
<6:00 |
|
Bending Strength (Mpa) |
|||
|
24 hr |
≥7.0 |
≥6.0 |
≥4.0 |
|
72 hr |
≥12.0 |
≥10.0 |
≥5.0 |
|
Compressive strength (Mpa) |
|||
|
24 hr |
≥45.0 |
≥40.0 |
≥25.0 |
|
72 hr |
≥65.0 |
≥62.0 |
≥30.0 |
|
Refractoriness (℃) |
1690 |
1730 |
1790 |
Packaging Standards and Storage Methods
* Imported new kraft paper with moisture-proof
* Leaking proof package, 25kg / bag, can be packaged as per the user's requirements.
* Stored in dry place away from moisture. One year shelf life.
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