Anti-infiltration castable is based on traditional ratio, adjusts the particle gradation, adds different admixtures, reduces the amount of cement, improves performance. It has high strong anti-infiltration, which can prevent the alumina liquid from penetration, eroding, can prolong the service life of the electrolytic cell, it can replace the refractory brick as anti-infiltration layer.
Anti-infiltration castable mainly used to prevent aluminum liquid from penetration, can extend the service life of electrolytic cell.
|
Item |
PTJ-1 |
PTJ-2 |
PTJ-3 |
PGF |
|
|
Al2O3 +SiO2(%) |
90 |
90 |
90 |
98 |
|
|
Bulk Density ( g/cm3) |
2.7 |
2.4 |
2.2 |
1.8~2.0 |
|
|
Cold Crushing Strength (MPa) |
110℃×24H |
50 |
30 |
30 |
/ |
|
|
1100℃×3H |
80 |
65 |
60 |
/ |
|
Permanent Linear Change (%) |
1100℃×3H |
±0.3 |
±0.3 |
±0.4 |
/ |
|
Thermal Conductivity |
0.85 |
0.6 |
0.55 |
0.5 |
|
|
Application |
Alumina electrolytic cell |
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(Specification should be different according to different furnaces/kilns.)
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