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  • Brief Introduction

    Cathode Block

    Cathode blocks are critical materials for production of primary aluminium. The blocks must withstand the combined effects of high temperatures and difficult electro chemical environment. Cathode blocks sare divided into 3 Types: carbon cathode blocks, semi-graphite cathode blocks and graphite cathode blocks.

    Technical Specification

    TechnicalSpecification      
    Type Ash Real density Bulk density Compressive strength EI. Resistance EI.Expansivity
      ≤, % ≥, g/cm3 ≥, g/cm3 ≥, Mpa ≤ μΩ.m ≤, %
    Graphitic Cathode Block
    BSL-1 7 1.9 1.56 32 40 0.7
    BSL-2 8 1.9 1.54 30 45 0.8
    GS-3/30% 5 1.95 1.57 24 33 0.7
    GS-5/50% 4 1.99 1.57 24 29 0.7
    GS-10/100% 2 2.08 1.59 26 21 0.7
    Graphitized Cathode Block
    XG-SM 0.5 2.18 1.56 16 14 0.4
    XG-W-G 0.5 2.2 1.62 18 14 0.4
     

    Cathode Block