Impermeable Sillimanite Brick 1600C-1650C Refractory Bricks For Aluminum Electrolytic Cell

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April 10, 2025
Category Connection: Sillimanite Brick
Brief: Discover the Impermeable Sillimanite Brick, designed for aluminum electrolytic cells with a temperature range of 1600°C-1650°C. This refractory brick offers excellent erosion resistance and prevents penetration of harmful elements, ensuring durability and extended cell life.
Related Product Features:
  • High temperature resistance up to 1650°C for reliable performance in harsh conditions.
  • Excellent erosion resistance to withstand corrosive environments in aluminum electrolytic cells.
  • High compressive strength ensures structural integrity under heavy loads.
  • Superior permeability resistance blocks Na, NaF, and electrolyte melt penetration.
  • Durable thermal insulation maintains cell efficiency over extended periods.
  • Compatible with impermeable castable for a complete refractory solution.
  • Low thermal expansion rate (≤0.75%) minimizes stress during temperature fluctuations.
  • Meets stringent physical and chemical indicators for consistent quality.
Faqs:
  • What is the maximum temperature the Impermeable Sillimanite Brick can withstand?
    The Impermeable Sillimanite Brick can withstand temperatures up to 1650°C, making it ideal for aluminum electrolytic cells.
  • How does the brick prevent penetration of harmful elements?
    The brick acts as a blocking layer, preventing Na, NaF, and electrolyte melt from penetrating into the insulation layer, thus protecting the cell's integrity.
  • What are the key physical and chemical indicators of this brick?
    Key indicators include apparent porosity (≤22%), bulk density (≥2.0 g/cm3), cold crushing strength (≥30 MPa), and thermal expansion rate (≤0.75%).