Castaldo Econosil Jewelry Molding Rubber is a harder, firmer version of our Castaldo Super High Strength jewelry molding rubber at a lower cost Just like our Castaldo Super High Strength jewelry molding rubber, Econosil is a putty-like material that makes strong, tough, production rubber molds Molds made of Castaldo Econosil cut like butter, give waxes with a high shine finish and require no messy sprays or powders. Waxes, self-release easily Econosil a brick-red/brown color and is lined with special release paper on both sides 5lbs to a Box
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