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Composition Slip: has anyone here used it?

Jul 15, 2012

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    1. I've been researching composition slips for casting. I believe I've read through everything a search returns in the Materials, WIP, and Finished Projects--while I find composition slip is recommended all over the place, I can't seem to locate anyone who's actually USED it on a project. (Could be my lame searching skills...)

      Have any of you used this? If so, could you direct me to pics of your work? Or thoughts about your experience with composition slip?

      I'm wondering how it is as a finished material. It seems (to someone who's never used it or seen it used) that it would be a wonderful medium for BIG dolls (SD+) but maybe not so good for small things? I'm basing this entirely on my experience with reproduction ball-jointed dolls (old French & German bodies), so I could be way off. How well does it hold detail? How are the thin places around the joints?

      Any help is much appreciated. I'm uber sensitive to chemicals/odors, so I'm trying to find casting options that don't involved resin (sadly, as I LOVE resin).
       
      #1 Anne Pecaro, Jul 15, 2012
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    2. I have used CompoBell composition slip many years ago to make small dolls, cast in plaster molds.
      These dolls were not BJDs, but were head/shoulder plate, arms/hands, legs/feet, with cloth bodies.
      They were baked in the kitchen oven at 200 degrees to cure. The parts were very strong.

      I am planning to cast my current WIP BJD in CompoBell doll composition slip, but am not at
      that point in the process, yet. I am currently working in oil-clay. The oil-clay figure will be
      molded and cast in carving wax. The carving wax parts will be refined, then molded for casting
      the doll composition slip.

      Casting doll composition slip in rigid plaster molds is very similar to casting porcelain slip.
      Porcelain requires firing in an electric ceramics kiln to cure. Composition slip does not
      require a kiln. As far as I can tell, there is very little to no odor with CompoBell composition slip.

      Hopefully helpful.
      (^_^)
       
      #2 kwmelvin, Jul 15, 2012
      Last edited by a moderator: Jul 15, 2012
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    3. dear Anne, i try a air dry liquid procelain slip, the name was slip fast, the result is a strong ceramic but is not procelain, it is easy to use if your molds are made well, you can paint in any color just adding a little acrylic on the bottle, is wondelful for bjd because the doll is complete hollow when cames out of the mold, is a perfect material! you sould try it.
       
      #3 gerakina, Dec 2, 2012
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