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Need the ratios for mixing refractory cement - Forno Bravo Forum: The Wood-Fired Oven Community

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Need the ratios for mixing refractory cement

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  • Need the ratios for mixing refractory cement

    I am making my own refractory mortar/cement as described in the Il Forno book using Fire Clay, Portland Cement, Lime, and Sand. I would like to get the ration of materials in the mix.

  • #2
    Re: Need the ratios for mixing refractory cement

    1 part portland
    3 parts sand
    1 part lime
    1 part fireclay

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    • #3
      Re: Need the ratios for mixing refractory cement

      This link will really really help you:Cement and Sand Plough Mixing Machine products, buy Cement and Sand Plough Mixing Machine products from alibaba.com when it comes to mixing refractory cement.
      ___________
      Black Granite

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      • #4
        Re: Need the ratios for mixing refractory cement

        Parts ratio is 3x2x2x0.5, plus water
        3 shovels of the gravel or crushed firebricks
        2 shovels of sand
        2 shovels of the cement
        half shovel of lime ( hydrated lime)
        This amount will require approximately 6-7 liters of water to mix the concrete.
        The website this came from is Refractory concrete mixing recipe | Refractory concrete ingredients for wood ovens.

        You can save much $ mixing your own.

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        • #5
          Re: Need the ratios for mixing refractory cement

          Originally posted by hb2474 View Post
          1 part portland
          3 parts sand
          1 part lime
          1 part fireclay
          I'm going to use this recipie....Of course, I'll add water

          The mixing instructions at the other link are satisfactory however.
          Lee B.
          DFW area, Texas, USA

          If you are thinking about building a brick oven, my advice is Here.
          Our One Meter Pompeii Oven album is here.
          An album showing our Thermal Breaks is Here.

          I try to learn from my mistakes, and from yours when you give me a heads up.

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