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Showing results for tags 'firing issue'.
I have been having a strange issue with my Cone 6 Black Stoneware Clay from Standard (266). It gets these big cracking bubbles upon glaze firing. I bought this clay to marble with Porcelain (Standard 365) because it had a similar shrink rate. The marbled pieces came out SUPER bubbly, really horrible. I thought it was just poor clay preparation on my part because of the mixing of the two. However it has been happening with pots I make solely out of the Black Stoneware. I prepare this clay the same way I do all my other clay bodies and never really have this issue otherwise. Has anyone else had
Hello I have been using a Hobbytech 40 kiln for a few years, I think early 90s age but it could be older. The label has burnt off. I run it off a 13amp supply. The kiln isn’t in the best of condition. I am planning on buying a larger, more suitable kiln in the coming weeks but until then, I have to make do and mend. Over the last few months, the wires are burning out and firing is becoming tricky. I have to replace the wires ever 4-5 firings. The usual wire to go if the one at the top element connection. Anybody got any idea what would be causing this? I have removed and repacke
Searched around for similar posts and only found one. So I’ve been gifted a large wooden table with a particle board top that I’ve been using for wedging. As of late lots of little bits of the particle board are getting stuck to the clay when I’m rolling out for hand building. They aren’t deeply embedded but deep enough that I’d mess up my pieces if I tried to wash them out. I’m using a sandy buff stoneware from standard ceramic (509). These pieces are going to be a bit more rustic in look so I won’t mind if there are tiny divots after firing, but my main concerns are 1) Will it negatively af