Cementos Molins Industrial is a company of the Cementos Molins Group | Corporate web Site
Aluminite is a refractory cement especially designed to produce refractory and isolating mortars and concretes. Aluminite is made of calcium aluminates and alumina-rich minerals, both milled to the size of microns. By increasing the service temperature, its components are sintered and ceramised, which increases its melting temperature and its mechanical strength. Besides, it hardens quickly, which contributes to its fast release and/or implementation.
TECHNICAL CHARACTERISTICS
| Typical values | Specifications according to standard and instruction | |
| Clinker(%) |
| Chemicals | ||
| AI2O3 (%) | 40,0 | - |
| CaO (%) | 32,0 | - |
| Fe2O3 total(%) | 18,0 | - |
| SiO2 (%) | 5,5 | - |
| CI (%) | 0,01 | - |
| S2 (%) | 0,02 | - |
| SO3 (%) | 0,1 | - |
| Álcalis (%) | 0,1 | - |
| Physical characteristics | ||
| Blaine specific surface (cm2/g) | 3300 | - |
| Start of setting (min) | 140 | - |
| End of setting (min) | 150 | - |
| Mechanical characteristics | ||
| Compression after 6 hours (MPa) | 45 | - |
| Compression after 24 hours (MPa) | 65 | - |
| Additional features | |
| Main mineralogical component | CaAI2O4 |
| Melting temperature | 1295 ºC |
| Laser particle size | Laser D(v,0.9)(μm) less than 90 microns |
| Bulk density (g/cm3) | 1,2 |
| Specific gravity (g/cm3) | 3,2 |
CAT
Synthetic sand a gravel made of calcium aluminates with controlled particle size.
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