// SPEC · Refractory Bricks
Amorphous Carbon Brick C 68% Cathode Grade
Amorphous carbon brick C 68% for aluminum electrolytic cell cathode linings. High electrical conductivity and sodium penetration resistance for primary aluminum smelters and ferrosilicon arc furnaces.
// Key Features
- High electrical conductivity reducing cell voltage and specific energy consumption
- Excellent sodium and cryolite penetration resistance for long cathode service life
- Dimensional stability under thermal cycling in aluminum reduction cells
- Controlled porosity for balanced wettability and electrolyte bath resistance
// Technical Specifications
| C (%) | ≥68 |
| Ash Content (%) | ≤9 |
| Apparent Porosity (%) | ≤22 |
| Cold Crushing Strength (MPa) | ≥25 |
| Thermal Conductivity (W/m·K) | ≥8 |
// Applications
Aluminum electrolytic cell cathode liningPrebaked anode baking furnace inner liningFerrosilicon submerged arc furnace hearthCalcium carbide furnace inner liningPhosphorus electric furnace bottom lining
// Quick Specs
Max Temperature950°C
Thermal Conductivity8 W/(m·K) at 400°C
Density1.60 g/cm³
StandardGB/T 8174
// Get Pricing
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