Refractory cement high-alumina CA 80 is one of the best-selling products in the world! We have lots of clients in the world.
Characteristics:
1.quick hardening 2. high temperature resistance 3. short setting time 4. anti-erosion of sulphate
5. anti-freezing 6. good grain shape
Specification
AL-70 | AL-75 | AL-80 | AL-85 | ||
Chemical Composition | |||||
Al2O3 | % | 68-71 | 74-76 | 78-82 | 83-85 |
CaO | % | ‹30 | ‹24 | ‹20 | ‹14 |
SiO2 | % | ‹0.3 | ‹0.3 | ‹0.3 | ‹0.3 |
Fe2O3 | % | ‹0.2 | ‹0.2 | ‹0.2 | ‹0.2 |
Fineness | Cm2/g | › 6000 | ›6000 | ›8000 | 8000-10000 |
Physical Properties | |||||
Setting Time | |||||
Initial Set | h:min | ›0:30 | ›0:30 | ›0:30 | ›0:30 |
Final Set | h:min | ‹2:00 | ‹2:00 | ‹2:00 | ‹2:00 |
Shock flow value | |||||
F30 | mm | 120-150 | 120-150 | 130-140 | 130-140 |
Rupture Strength | |||||
Keep for 24hrs at 20°C | Mpa | ›6 | ›6 | ›6 | ›4 |
Drying for 24hrs at 110°C | Mpa | ›8 | ›8 | ›8 | ›6 |
Baking at 1100°C and staying warm for 3hrs | Mpa | ›10 | ›10 | ›10 | ›8 |
Compressive Strength | |||||
Keep for 24hrs at 20°C | Mpa | ›50 | ›50 | ›50 | ›40 |
Drying for 24hrs at 110°C | Mpa | ›70 | ›70 | ›70 | ›60 |
Baking at 1100°C and staying warm for 3hrs | Mpa | ›80 | ›80 | ›80 | ›75 |
refractory cement
