ed on thu 29 mar 01
Would you be kind enough to share the recipe for the amber celadon. Thanks
Ed Gould
-----Original Message-----
From: Jim and Marge Wade
To: CLAYART@LSV.CERAMICS.ORG
Date: Wednesday, March 28, 2001 12:38 AM
Subject: Running glaze
>Can someone answer this question for me? I just picked up a porcelain bowl
>that I high fired to ^10 at a local clay center. The amber celadon glaze I
>put on it ran totally down the bowl and onto the shelf, even though the
>entire foot (5/8" as it was a nice sized bowl) was wiped clean. Originally
I
>was intending to soda fire this piece with only a flashing slip on the
>exterior, so I had lightly sanded portions of the exterior with a green
>scrubby at the greenware stage to remove a few fingerprints (which my
>instructor suggested the class do with our porcelain pieces). I did not
sand
>the whole bowl, just where there were a few irregularities. I am not one to
>sand my pots anyway due to the health issues. However, as the bowl was not
>bone dry, I thought I'd try it. I asked the woman who runs the studio (I
was
>honest and admitted to her that I was the one that caused the huge gouge in
>the kiln shelf!) what might have caused this. She asked if I had sanded the
>bowl (she had heard my instructor talking about) explaining that sanding
>causes compressed surface on the pots, making it difficult for glazes to
>adhere. I discussed all this with my instructor and she asked me to run
this
>whole idea about glazes running due to sanded pots by Clayart. My
instructor
>does not talk about sanding anything other than porcelain to be soda fired,
>where glazing the exterior is often kept to a minimum.
>
>Anyway, now I have a beautiful bowl that will have to be buried in the
>garden with some water in it for the birds. The foot is so messed up
>grinding isn't even an option.
>
>Thanks for your input.
>
>
>Marge
>
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