Items |
Unit |
Specification |
Typical |
Chemical Composition |
Al2O3 |
% |
≥53 |
54.5 |
CaO |
% |
≥33 |
35 |
SiO2 |
% |
≤8.0 |
5 |
Fe2O3 |
% |
≤2.5 |
1.5 |
Na2O+K2O |
% |
≤0.4 |
0.25 |
Density: |
g/cm3 |
2.95--3.05 |
|
Setting time: Initial (minutes) |
Minute |
≥30 |
|
Setting time: Final (minutes) |
Minute |
≤360 |
|
Flexural strength: 6Hours |
Mpa |
** |
|
Flexural strength: 24Hours |
Mpa |
5.5 |
|
Flexural strength: 72Hours |
Mpa |
6.5 |
|
Compressive strength : 6Hours |
% |
** |
|
Compressive strength: 24Hours |
% |
40 |
|
Compressive strength : 72Hours |
g/cm3 |
50 |
|
Size avalible: |
mesh |
325mesh passing through at least 80% |
Application: in Refracory Industry, Road rapid repaired. |
|