Mug Posted March 16, 2014 Report Share Posted March 16, 2014 I was looking at hydraulic casting with gypsum mold products. They make an alternative pourus casting resin. Has anyone used it? Who would supply it? What would the ball park cost be? How durrable is it? Link to comment Share on other sites More sharing options...
Wyndham Posted March 16, 2014 Report Share Posted March 16, 2014 The only folks I know who have the U.S. rights to the porous resin process is RamPress industries. The hydrocal molds are about 1/10- 1/20th the cost of the resin molds but the resin last many time longer than the hydrocal molds. I'm not sure if there is a cost advantage to ram pressing considering the cost of the mold and the number of pieces it will produce over it's life time. A friend of mine had a new mold crack after 30 pressings so each piece cost him $20 each, ouch. Frankoma pottery in Tulsa, OK (don't know if they are still in biz) used each mold till it wore out and they had their own mold shop. You also have to keep the resin mold moist for the life of the mold I heard. Check with Ram on the price. Wyndham Link to comment Share on other sites More sharing options...
Mug Posted March 17, 2014 Author Report Share Posted March 17, 2014 I'm not sure if I would be infringing on the patt process...someone else may know. I have seen an asian and a german patt on the porous resin and there may be others? I was looking at a used ram press, and could make the moulds. You have given Me some food for thought, and a place to start. Thank you Link to comment Share on other sites More sharing options...
Wyndham Posted March 17, 2014 Report Share Posted March 17, 2014 The German Patt is, I believe, what Ram has licensed. Wyndham Link to comment Share on other sites More sharing options...
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