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Rae Reich

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About Rae Reich

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    Rae - Unusual Clay
  • Birthday 06/20/1947

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    Orange, CA
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  1. A photo of the bottom, however indescribable, is necessary for attribution.
  2. Try the rutile under, maybe it'll run first.
  3. Actually, @Mark C.just gave us one with his "quick cooling" story in "temp for opening the kiln?"
  4. Good thing you're a philosopher, Hulk. Can't wait to see those next pots!! Drastic/Tragic Learning Experiences - good topic
  5. Jelly molds and bundt pans are designed to release their contents. Put a board over the opening, when the board and mold are turned over the contents should fall straight down and the mold can be lifted up, the piece will be on the board. As the others say, there are a few things you can do to make removal easier, next time. This time, let the clay keep getting drier and try the turned-over-to-a-board thing every day till it comes out. You might kind of smack the board down hard on your table to help jar the clay out, but don't try to pry it out.
  6. Sorry, a joke from the days when no scrap of glaze went unused. All went into one bucket, a test fired, and if/when disappointing, enough red iron oxide was added to make an iron saturate liner glaze.
  7. The shell that has formed by pouring casting slip into a plaster mold and then, after a short period of time, pouring out the excess slip, should not take more than a day to be firm enough to remove. Molds are usually opened as soon as the clay is firm. The piece then continues to dry in the open air. Leaving the form in the mold until dry, unless it is a very simple shape, is likely to cause problems with removal because the casting slip will have shrunk around curves. Removing the form sooner also lets the plaster mold dry sooner, making the next casting sooner. Are you in a climate that is cold and humid? Drying times will often be longer than my generalized, 65-80 degrees F. Are you casting a solid form, rather than a thin shell form?
  8. Thanks! Converted backwards ;( That's an even bigger heated kettle - restaurant?
  9. @lilipil, it seems like you will need a Very Large electric kettle for those amounts, to have nearly *100 lbs (48 kilos?) in your batch. Your melting/heating device size will determine how much you can make at a time. *math corrections welcome
  10. Granular Illmenite is coarse. That's what is used in some speckled glazes for that effect.
  11. But the difference in mass between a small kiln load of Advancers and mullite? Not 30%??
  12. My portable raku dream entailed a Volkswagen bus, a portable wheel and a small soft-brick propane kiln.
  13. Also, do not get the piece to be refired wet!! Sometimes moisture gets into the body and comes out explosively when heated quickly, as one might do with a refire. If it has gotten wet, place in an oven at the lowest possible temperature for several hours, or heat your refiring kiln very slowly.
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