Product detail
Calcium Aluminate Cement
ain Composition:Al2O3+CaO
Application:Binder for refractory castables
Capacity:3000 tons per month
Color:Grey
Refractoriness:≥1400℃
Product Introduction
Calcium aluminate cement is cement with calcium monoaluminate or calcium dialuminate as the main mineral component. It is made by mixing bauxite or industrial alumina with calcium carbonate (limestone) and then calcining or fusing.
Features
1.Fast hardening.
2.High strength.
3.Fire resistance and sulfate corrosion resistance.
Application
Calcium aluminate cement is mainly used as a binder for refractory castables and refractory injection materials.
Product Parameters
| Item | CA-50 | CA-70 | CA-75 | CA-80 | |||||||
| Chemical Composition(%) | Al?O? | ≥50 | ≥69 | ≥73 | ≥79 | ||||||
| CaO | ≤38 | 28-30 | 25-27 | 21-23 | |||||||
| SiO2 | ≤6.0 | ≤0.4 | |||||||||
| Fe2O3 | ≤2.5 | ≤0.3 | |||||||||
| Specific Surface (cm2/g) | ≥3000 | ≥5000 | ≥5500 | ≥6000 | |||||||
| Bonding Time | Initial Bonding（min） | ≥30 | 30 | 60 | 90 | 30 | 60 | 90 | 30 | 60 | 90 |
| Final Bonding（h） | ≤6 | ≤6 | ≤6 | ≤6 | |||||||
| 24h（MPa） | Flexural Strength | ≥10 | ≥6 | ≥6.5 | ≥6.5 | ||||||
| Crushing Strength | ≥70 | ≥40 | ≥40 | ≥35 | |||||||
| Refractoriness（°C） | 1400 | 1700 | 1750 | 1800 | |||||||
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