web analytics
clay for homebrew mix - Forno Bravo Forum: The Wood-Fired Oven Community

Announcement

Collapse

Photo Galleries are back! Instructions below.

Dear forum users,
Thank you for your patience with the Photo galleries. We've got your galleries online!
We have finished writing a custom script to migrate the PhotoPlog to vBulletin5’s albums.

Unfortunately V-Bulletin killed the "Photoplogs" in their software upgrade which was unforeseen and we're the first development group to have written a script for getting the galleries back... that said, it took some time to reverse engineer the code and get the albums to move over seamlessly!

Forum users will be able to access their “PhotoPlog” images through their user profile page by clicking on the “Media” tab.
They will also be able to browse other albums by going to the albums page. (On the forum site, there is a link in the black bar beside “Forums” to the albums.)

In order for users to create an album please follow the steps below.
1) Go to user profile page and click “Media”
2) Click Add Photos
3) Enter Photo Gallery Title in the first field
4) Click Upload or Select from Photo Album to add photos
5) Click Post
6) Once posted, the album will be created as a “Topic” on the albums page for the public to see. The topic title will be the “Photo Gallery Title” they created before uploading their photos.


To create this migration path we used vBulletin5’s default album structure. Unfortunately, it won’t work like the “PhotoPlog” but is an album/gallery component on the forum now.
See more
See less

clay for homebrew mix

Collapse
X
  • Filter
  • Time
  • Show
Clear All
new posts

  • clay for homebrew mix

    Hi guys

    this time round I am going to use the homebrew mortar mix instead of paying 40bucks a bag for ciment fondue.

    question is, is clay from a pottery place suitable? They say they use it by mixing with water, shaping, then firing at 1000degrees centigrade. Is this the same as "fireclay"? I.e. would it be usable for the homebrew mortar?

    Cheers!

  • #2
    Re: clay for homebrew mix

    No, the powdered clay from a pottery supplier is probably not fire clay unless it is labelled as such. Personally I believe that most powdered clays would be ok up to the relatively low temps we fire to so it is really only price that is the consideration. Try bricklayers clay from building suppliers. It is incorrectly labelled by Cement Australia as fire clay, but should be ok and about the cheapest you'll get.
    Kindled with zeal and fired with passion.

    Comment


    • #3
      Re: clay for homebrew mix

      Interesting.

      Not so worried about price for this component, rather do it right. was more that the pottery place i called didn't know what i meant by fire clay, and talked about this powdered clay, and I wanted to clarify.

      This bricklayers clay sounds interesting. Anyone else used it?

      Comment


      • #4
        Re: clay for homebrew mix

        Very interesting. I just did the same research (sorry should have done before hand) and have seen what you are referring to.

        In my mind it should do it. On their MSDS it says "Clay is used for jointing refractory brickwork, pottery clay mixes, modelling and rendering"

        Seems odd they would state it is good for refractory but it not be....

        Comment


        • #5
          Re: clay for homebrew mix

          The product labelled "BRICKLAYERS CLAY - Fireclay" is not true fireclay. The confusion arises because fireclay in America and Europe is plentiful and cheap. It is basically a raw clay that is quite refractory. Unfortunately fireclay is much rarer in Australia and therefore quite expensive, presumably because it requires more processing. Bricklayers traditionally used small amounts of fireclay to add to their mortar to improve workability. Cement Australia have produced a product called "BRICKLAYERS CLAY- Fireclay" About three years ago I investigated using this product as it is way cheaper than the true fireclay I was buying from Claypave in Brisbane. At that time there were no specs provided by Cement Australia about their product, so who knows what it contains. So I rang their tech division and was told that it was not suitable for refractory use. I complained that the product was therefore mislabeled and misleading, but was informed that they were not about to change from one complaint. About a year ago specs appeared on the product and they now say it is suitable as a refractory.I have been using it ever since without any problems. However it is still not fireclay and a proportion of between 30-60% Kaolin does not make it fireclay either.
          Hope this throws some more light on the issue.
          Last edited by david s; 01-07-2013, 06:43 AM. Reason: Removed "clarifies"
          Kindled with zeal and fired with passion.

          Comment


          • #6
            Re: clay for homebrew mix

            Yes an assay could be useful, although if you make a home brew you are adding lots of silica in the form of sand. Fortunately as we only hit around 500C in practice there are no problems with eutectics.
            Kindled with zeal and fired with passion.

            Comment


            • #7
              Re: clay for homebrew mix

              If you are cutting your firebricks, you'll have more "fire clay" than you need for homebrew. Cut base bricks and clean out your tray, and you are ready to go. Problem solved
              My build progress
              My WFO Journal on Facebook
              My dome spreadsheet calculator

              Comment


              • #8
                Re: clay for homebrew mix

                Originally posted by deejayoh View Post
                If you are cutting your firebricks, you'll have more "fire clay" than you need for homebrew. Cut base bricks and clean out your tray, and you are ready to go. Problem solved
                Yea i've thought of this. The fire bricks are second hand from an old kiln so they should be fine.

                Might try that first and see how much i get.

                Comment


                • #9
                  Re: clay for homebrew mix

                  I called cement australia out of curiosity. Even though the MSDS says the clay has refractory properties and can be used in refractory mixes, they say on the phone that it doesn't. I informed the bloke that the MSDS says so...so he is off checking now......crazy.

                  Comment


                  • #10
                    Re: clay for homebrew mix

                    Yes, that's what they told me, but the data sheet does say now that it is suitable. Maybe if folk keep complaining they'll do something. I think there is probably quite a wide range of composition between batches, as indicated "between 30-60% kaolin." It is after all primarily designed as an addition to mortar.

                    Did the bloke say he'd get back to you with an explanation? If so, ask him again, why is it labelled fire clay if it isn't ?
                    Last edited by david s; 01-07-2013, 09:10 PM.
                    Kindled with zeal and fired with passion.

                    Comment


                    • #11
                      Re: clay for homebrew mix

                      Originally posted by deejayoh View Post
                      If you are cutting your firebricks, you'll have more "fire clay" than you need for homebrew. Cut base bricks and clean out your tray, and you are ready to go. Problem solved
                      How do you go about storing the collected clay from cutting bricks....does it harden after its wet? Or could I chuck in a bag until ready to use?

                      Comment


                      • #12
                        Re: clay for homebrew mix

                        Because the brick dust from cutting comes from bricks that have been fired it is really a grog or fine aggregate. It is not like sticky unfired clay, however it does work ok. Be careful fired brick dust is dangerous to inhale, wear a mask.
                        Kindled with zeal and fired with passion.

                        Comment


                        • #13
                          Re: clay for homebrew mix

                          Originally posted by david s View Post
                          Because the brick dust from cutting comes from bricks that have been fired it is really a grog or fine aggregate. It is not like sticky unfired clay, however it does work ok. Be careful fired brick dust is dangerous to inhale, wear a mask.
                          meh...i'll just buy fire clay, or buy the ciment fondue i think. for the amount i need its not worth muckin around too much...

                          Comment

                          Working...
                          X