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Kaolin vs. Fireclay - Forno Bravo Forum: The Wood-Fired Oven Community

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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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Kaolin vs. Fireclay

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  • Kaolin vs. Fireclay

    Kaolin is readily available and inexpensive at my local farm supply store. It appears to be chemically equivalent to fireclay (aluminum silicate) and is the primary ingredient for porcelin. Could kaolin be substituted for fireclay in the mortar mix. I've used kaolin as a pond sealer - get it wet and it sure is gooey stuff. Should make a very smooth high temp mortar??

  • #2
    Re: Kaolin vs. Fireclay

    Probably is ok. It is more expensive for us in Australia. Another name for kaolin is china clay. Check its shrinkage properties. It might have a higher shrinkage rate than fireclay. All clays shrink and this can either be a disadvantage or advantage depending what you want the stuff to do. I use kaolin sometimes because it's white and sometimes because it helps improve my slipcasting mixtures.
    Kindled with zeal and fired with passion.

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