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Can I use Clay? - Forno Bravo Forum: The Wood-Fired Oven Community



I'm Peter Reinhart! Ask Me Anything! Monday, February 15, 2016 7:00-8:00 pm EST

To kick off our AMA feature, we have invited author, chef and master bread maker and host of Pizza Quest, Peter Reinhart, to be our first host! Peter will be in the Forum on Monday, February 15th, from 7:00 - 8:00 pm EST. If you are unable to be online during the live session, you can post your questions in the sticky post. Peter will answer those questions during the live session on February 15th. You can view Peter's answers to your questions as well as what happened during the live session in the session thread.

Ask Me Anything New Forum Feature

You will notice a new forum at the top of the main page called, "Ask Me Anything". This forum will be used for live one hour "Ask Me Anything" (AMA) sessions hosted by people who are knowledgeable in different areas pertaining to wood fired ovens. How it works:
- Each AMA will have a "sticky" thread where the community can post questions they would like answered during the live session. This will allow everyone to participate even if you can't be online for the live session. These questions will not be answered by the host until the live AMA; if you need an answer quickly, you should post it in the appropriate Forum area for the community to respond.
- Another thread will be posted for the live AMA. Registered users who are logged in during the live session can interact with the host by asking questions and receiving responses.
- The live thread will remain in the AMA forum to view after the session.

We hope you enjoy this new feature! Please let us know if there is a topic that you'd like to have as an AMA and we'll look for a host!

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Can I use Clay?

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  • Can I use Clay?

    Hi all,

    I am have trouble getting my hands on Mortar Clay or Fire Clay, up here in the tropics. So I went to an art suppler and they have Clay powder that can withstand temperatures to 800 centigrade.

    Can I use this in the dome mortar instead of Mortar Clay/Fire Clay...?


  • #2
    Re: Can I use Clay?

    Anyplace that can get powdered clay, a pottery supply, will be able to get you fireclay. It's better and cheaper.

    As far as art clays, there are literally hundreds of them. It would be hard to comment without knowing the specific product.
    My geodesic oven project: part 1, part 2


    • #3
      Re: Can I use Clay?

      The Clay that they have is "Walkers stoneware No:10" the only info that they could give me is

      Shrinkage % @ C = 12.5@1300
      Water absorb % = <0.5
      Vitrified Temp C = 1260

      Would this do?



      • #4
        Re: Can I use Clay?

        I went back to the art suppler to ask for some more information and he said:

        Name: Walker stoneware No:10
        Shrinkage % @ C = 12.5@1300
        Water absorb % = <0.5
        Vitrified Temp C =1260

        Will this do?
        Last edited by reddwarf; 11-01-2010, 12:38 AM.