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Ramming mass for launders in blast furnaces

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Ramming mass for launders in blast furnaces

Ramming mass for launders in blast furnaces
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Blast furnace tap ramming material

  The main raw materials of castable and ramming mass for launders in blast furnaces are super bauxite, corundum, SiC, etc., and pure calcium aluminate cement and ultrafine powder are binding agents with antioxidants and anti-burst agents as additives. It features good anti-scour anti-erosion, convenient construction, quick baking and long service life. The main construction methods are vibration pouring, gravity pouring and ramming.

         brand          No.

TGD-60

     TGD-70

      Al2O3              ;   %

    ≥60

      ≥70

      SiC+C                %

    ≥12

      ≥14

Bulk Density     g/cm3 

110℃×24h

    ≥2.5

      ≥2.6

Room temperature compressive strength
MPa

110℃×24h

    ≥25

      ≥30

1450℃×3h

    ≥30

      ≥40

Reburn line changes    %

1450℃×3h

    ±0.5

      ±0.5

 

 

Shandong Guomao

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Ramming mass for launders in blast furnaces
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