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  • Brief Introduction

    Seating Block for Purging Plug

    Made from high-purity, high-density, high-strength materials and MAS matrix-optimized system, AMR series of seating blocks for purging plugs are high-tech product developed simultaneously with purging plug. The series of ladle blocks show the features of stable structure, excellent thermal shock resistance, good corrosion/erosion resistance and long service life. They suit specially for large-sized refining ladles.

    Seating Block-1
    Al2O3  % Min. 92 91 93
    MgO   % Min. 0.5 2.5 1.0
    Cr2O3  % Min. 0.5 - -
    Bulk Density g/cm3 1500℃x3h Min. 3.0 3.0 2.8
    Cold Crushing Strength MPa 1500℃x3h Min. 70 60 60
    Modulus of rupture MPa 1500℃x3h Min. 12 15 12










    Seating Block-2
    Al2O3  % Min. 42 40
    MgO % Min. 39 36
    SiO2   % Min. 3 3
    Bulk Density g/cm3110℃x16h Min. 2.9 2.9
    Cold Crushing Strength MPa 110℃x16h Min. 70 40
    Modulus of rupture MPa 110℃x16h Min. 10 6
     

    Seating Block for Purging Plug