Jump to content

Donna Roes

  • Content Count

  • Joined

  • Last visited

  1. I have used broken glass and the "blobs" you can buy in craft stores. I place the pieces of glass along with the glazes and fire. I use low fire white earthenware. It has worked just fine. I once melted a glass candy dish in a large bowl. That worked too. Worse that can happen is you have an explosion, I haven't had that, but we won't know if we don't experiment. Go for it. Donna
  2. Honestly, because I have lived here for 4 years and learned to use Spaniish instead of English for such things, I am confused about what I want to use. Plaster is yeso here. Is a construction type plaster sufficient to use for molds? If that is the case I have some... I bought some potter's plaster a year ago or so in a big bag, but it is not usable and has gone up to 60.00 a bag, pretty costly for me and especially when it goes bad if you don't use it up quickly. Just wondering if there are different options to cut down the cost. Hope you understand. Thank you. We use contractors plaster purchased at a hardware store. We make press molds and this has been working just fine for us. No, it´s not as good as potter´s plaster but it´s what we can get in Panama. Try it and see if it will work for you. Donna & Ray
  3. A while back someone discussed drying plaster molds on radiant heat flooring. Sounded interesting so I decided to try a heating pad I had. After three days the mold was warm but still damp. Maybe the humidity here is more than can be overcome with artificial means. The mold is back on the rack air drying. S-L-O-W-L-Y..... the old fashioned way.
  4. All I have to do is ask myself, What would you rather do? Work in the shop or clean the louvered windows? No contest.
  5. Sounds great John, and I would love to do exactly that but plaster doesn´t seem to exist here (Panama) and the time involved in shipping (most likely a month) added to the time the dealer had it (who knows?) would make it tricky to time my production runs as I wouldn´t know how much more life I had in the plaster till it was too late. What´s the shelf life of hydrocal? Maybe shipping that would be the way to go. Thanks for the response, I really appreciate it. A little moral support goes a long way when we get frustrated. Donna
  6. The rubber and latex sound like interesting possibilities. Do you think they would work for tiles? We make tile panel repeats for walls and decorative plaques.
  7. If you don't mind my asking, why are you looking for a substitute for plaster? What is wrong? We are in Panama. It is humid and plaster has a short shelf life. There is no demand for it so no one carries it. Shipping would be a problem because of the time involved. I was hoping to find another product. Our experiments with cement have been unsuccessful. We added white glue to the last try. It is taking a long time to dry.
  8. We are looking for a substitute for plaster for making press molds. Anyone ever try cement without adding the sand?
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.