Refractory high alumina cement is best -selling in the world! 1.quickly hardening 2.quick setting time 3.anti-freezing
refractory high alumina cement :
1.quickly hardening
2.quick setting time
3.anti-freezing
4. anti-moisture
5.good thermal resistance performance.
6. good grain shape
The index of Aluminate cement | |||||||
Aluminate cement | CA40-Fused | CA50-J5 | CA50-J6 | CA50-J7 | CA50-N | CA50-J9 | CA50-Fused |
Blaine (cm2/g) | 2700 | 3000 | 3000 | 3000 | 3000 | 4000 | 4000 |
Initial time(h:m) | 0:40 | 0:30 | 0:30 | 0:30 | 0:30 | 1:30 | 2:00 |
Final time(h:m) | 4:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 |
Flexural strength(Mpa) | 6hrs4.0 | 4.0 | |||||
1 day | 5.5 | 5.5 | 6.0 | 6.5 | 6.0 | 8.0 | 10.0 |
3 days | 6.5 | 6.5 | 7.0 | 7.5 | 7.0 | 10.0 | 11.0 |
Compressive strength | 6hrs30.0 | 35.0 | |||||
1 day | 50.0 | 40.0 | 45.0 | 50.0 | 50.0 | 70.0 | 75.0 |
3 days | 60.0 | 50.0 | 55.0 | 60.0 | 60.0 | 80.0 | 85.0 |
Chemical composition | |||||||
SiO2 % | 6.0 | 8.0 | 8.0 | 8.0 | 6.5 | 6.0 | 5.0 |
Al2O3 % | 37.0 | 50.0 | 50.0 | 51.0 | 50.0 | 53.0 | 50.0 |
CaO % | 38.0 | 33.0 | 33.0 | 33.0 | 33.0 | 33.5 | 38.0 |
MgO % | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
TiO2 % | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
Fe2O3 % | 18.0 | 3.0 | 3.0 | 2.5 | 3.0 | 2.5 | 50.0 |
high alumina cement
