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Manufacture of small series of 20-50 identical models can take advantage of silicone-mold casting of polyurethane.- The fundamental prerequisite for the production of a silicone mold is a perfectly finished master model - The master model is put into a mold and embedded in silicone - The mold is elastic and allows casting complex shapes - When the cast material is set, the silicone mold accurately reproducing the shape of the master is cut in half - Removing the master and putting the two halves together creates a cavity in which two-component polyurethane is cast under partial vacuum - After the polyurethane sets, the finished part is removed from the mold - A wide range of polyurethanes allows selecting the color (including clear parts) and strength properties of the finished product in advance |
3D modelling