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#11
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Blistering on Stoneware
Hi, I've only been at this ceramics game for fifteen years so i'm also
still learning. I don't know if this will be of any help but; I recently had similar problems with a low fire(1100c) glaze and found the problem to be a too rapid firing. |
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#12
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Blistering on Stoneware
plodder wrote:
Hi, I've only been at this ceramics game for fifteen years so i'm also still learning. I don't know if this will be of any help but; I recently had similar problems with a low fire(1100c) glaze and found the problem to be a too rapid firing. That makes sense in that the offgassing from the body that can cause the blisters is more likely to be finished or greatly reduced with a slow firing--it's also a reason for a higher (cone O5 at least) bisque. In my case, however, it was happening even before I changed the elements, when the kiln was firing much slower, and doesn't seem to be worse for the faster firing new elements gives it. Brad -- For my pottery how-to videos, original art, music, pottery, and literature, visit my homepage http://sondahl.com |
#13
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Blistering on Stoneware
Man, Brad, that is a WONDERFUL site you have. Very, very helpful. Great
tips. Thanks, Tom "Brad Sondahl" wrote in message news:9Au8f.38$sF6.9@trnddc03... plodder wrote: Hi, I've only been at this ceramics game for fifteen years so i'm also still learning. I don't know if this will be of any help but; I recently had similar problems with a low fire(1100c) glaze and found the problem to be a too rapid firing. That makes sense in that the offgassing from the body that can cause the blisters is more likely to be finished or greatly reduced with a slow firing--it's also a reason for a higher (cone O5 at least) bisque. In my case, however, it was happening even before I changed the elements, when the kiln was firing much slower, and doesn't seem to be worse for the faster firing new elements gives it. Brad -- For my pottery how-to videos, original art, music, pottery, and literature, visit my homepage http://sondahl.com |
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