Plastic materials for manufacturing prototypes

A number of technologies are used to manufacture prototypes. Plastic prototypes are often machined from ABS, polystyrene, or rigid polyurethane foam.

An alternate method of manufacturing prototypes is to cast a liquid thermosetting resin into a mold, where it then hardens to form a finished part. Finally, prototypes can be created via stereolithography (SLA) where a 3D part is “printed” from a vat of liquid photopolymer by a CNC controlled UV laser.

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