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Sunny South Africa Holiday Build

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  • Sunny South Africa Holiday Build

    Hi All!

    I am planning to do my first build during my 1 month break from work.
    I have recently purchased a new house and there is half a constructed base in the graden that I plan to bring to the correct level and then build a 900mm refactory cast dome on it.

    I have sourced a suppllier for a refactory cast material for the inner layer and oven base and the one they recomend has the following composition:
    SiO2: 42
    AL2O3: 51
    Fe2O3: 0.6
    TiO2: 1.2
    CaO+MgO: 4
    K2O+Na2O: 0.52

    So it is essentially:
    1-5% Aluminium Oxide
    10-20% Calcium Alluminate
    80-90% Calcined Clay

    Density: 2300kg/m^3
    Max Service Temp: 1550 deg Celcius

    What are your thoughts on this material? And what thickness do you recomend?

    I have a local modified Perlite mix that has great insulating properties that I plan to use as insulation both under and around the dome .

    I look forward in sharing my build with you!
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