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    Primary aluminium

    Products (selection).

    Pot-cells – shaped products

    QualityRaw material basisAl2O3
    %
    SiO2
    %
    SiC
    %
    REFRAL® 25
    fireclay2668 
    ALUBAR 1100fireclay2668 
    REFRALON® SiC 82 NSiC  78

    Pot-cells – unshaped products

    QualityRaw material basisAl2O3
    %
    SiO2
    %
    CaO
    %
    REFRACAST® F-42
    fireclay> 38
    < 47
    < 7.5
    REFRACAST® F-43fireclay> 41< 45< 8.5

    Anode baking furnaces – shaped products

    QualityRaw material basisBulk density (+/- 5%)
    g/cm3
    Al2O3
    %
    SiO2
    %
    REFRAL® 44
    fireclay2.254450
    REFRAL® 50fireclay2.355045
    PERIAL 44fireclay2.254450
    PERIAL 50fireclay2.355045
    REFRAL® 50
    andalusite. special
    high alumina fireclay
    2.25-2.4048-5245-49
    REFRAL® 60andalusite2.556038

    Anode baking furnaces – unshaped products

    QualityRaw material basis Al2O3
    %
    SiO2
    %
    Fe2O3
    %
    CaO
    %
    REFRACAST® MC F-35 AR/TS fireclay> 36< 50< 3.8< 5.0
    REFRACAST® F-50
    fireclay> 47< 43< 1.6< 6.0
    REFRACAST® F-51fireclay> 47< 44< 1.2< 6.0
    REFRACAST® F-50 Cfireclay> 54< 36< 1.3< 8.0
    REFRACAST® F-60 R alumina-rich raw materials > 63< 31< 1.1< 3.3
    REFRACAST® LC A-60 TSandalusite> 57< 39< 1.0< 2.5
    REFRACAST® MW 1450 light fireclay > 48< 42< 3.0< 5.0
    REFRACAST® MW 1300 Clight fireclay > 39< 41< 5.5< 13.3
    REFRACAST® MW 1250light fireclay > 40< 41< 5.5< 12.0
    REFRACAST® LW 1200light fireclay > 34< 43< 7.5< 13.0
    REFRACAST® XLW 1050 CG
    vermiculite > 30< 27< 13.0< 25.0
    REFRABOND® F-50 R
    fireclay/andalusite > 50< 45< 1.5 
    REFRABOND® F-40fireclay> 40< 55< 1.6 
    REFRABOND® CBS F-55 AB alumina-rich raw materials > 56< 33< 1.2 
    REFRABOND® CBS F-55
    alumina-rich raw materials > 55< 36< 1.2 
    REFRASPECIAL® F-55 alumina-rich raw materials> 59< 33< 1.9< 4.1
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