Vacuum casting is ideal for producing small batches of plastic parts. The production time for the tool is often very rapid. The tools are normally casted in silicone from a 3D printed master pattern. Thanks to the parts being casted under a vacuum, they are non-porous and therefore very strong. The method requires very little post processing and the parts have properties similar to those of common thermoplastic materials, e.g. hard, soft, rigid, flexible, heat-resistant or transparent. Parts can be produced in any colour and even reinforced with fibres.
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