Impermeable Sillimanite Brick 1600C-1650C Refractory Bricks For Aluminum Electrolytic Cell
Impermeable brick for aluminum electrolytic cell Good erosion resistance
Electrolytic cell with a complete set of refractory materials, new anti-permeability brick used with impermeable castable, as an aluminum electrolytic cell blocking layer, can prevent Na, NaF and crolyte melt further penetration into the insulation layer, prevent the protective layer from being eroded, so that its thermal insulation ability is durable, so as to protect the normal use of the electrolytic cell, improve the service life of the aluminum electrolytic cell.
▌FEATURES
1. High temperature resistance；
2. High compressive strength；
3. Excellent permeability resistance；
▌PHYSICAL AND CHEMICAL INDICATORS
|
Item |
Unit |
|
|
|
Chemical composition |
Al2O3 |
% |
- |
|
SiO2 |
% |
- |
|
|
Fe2O3 |
% |
- |
|
|
Apparent Porosity |
% |
≤22 |
|
|
Bulk Density |
g/cm3 |
≥2.0 |
|
|
Cold Crushing Strength |
MPa |
≥30 |
|
|
Rate of Thermalexpansion (20℃-1000℃) |
% |
≤0.75 |
|
|
Electrolyte corrosion resistance (penetration depth) |
mm |
≤3 |
|
|
Electrolyte corrosion resistance (corrosion area) |
mm² | ≤6 | |
▌PRODUCT PICTURE
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