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RA Series Fused Cast Alumina Block

  • Description
Product Detail

    RA Series Fused Cast Alumina block

    Introduction

    RA series fused cast Alumina brick is fused cast refractory of Alumina series from superior high purity raw material and manufactured in specialized electric arc kiln above 2000?.The products are classified by the different composition proportion between a-corundum and ß-corundum.

    Application

    RA-M is dense structure fused cast product consisting of apprpx 44% a-corundum and 55% ß-corundum and with excellent characteristic of free contamination to glass in furnace. It is designed for sidewalls of working end, bottom paving , fore hearths and crowns.

    Item

    RA Series Fused Cast Alumina   Block

    Chemical composition(Typical)

    AI2 O3

    95%

    Na2O

    3.5%

    SiO2

    1.0%

    CaO+TiO2+Fe2O3

    0.5%

    Lithofacies Composition   (Typical)

    a-AI2O3

    44%

    ß-AI2O3

    55%

    Vitreous Phase

    1%

    Bulk Density (Dense part )(g/cm3)

    =3.54

    Crushing Strength (Mpa)

    =200

    Refractoriness Under Load of   2×105Pa

    =1700


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Henan Flourshing Energy Saving Co.,Ltd

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