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Calcium Aluminate Cement

Main Composition: Al2O3≥50%
Application: Industrial Furnaces
Raw Material: Bauxite
Color: Grey
Refractoriness: >1400℃
Capacity: 3000 MT per month
Package: Export Wooden Pallets and Paper Bags
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.
 
Technical Data:
Item CA-50 CA-70 CA-75 CA-80

Chemical Composition(%)
Al2O3 ≥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 Bondin(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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