Larger sized plastic components are produced by rapid injection manufacture. This is a cold injection process that does not require pre-heating of moulds or post curing of castings. In addition, several moulds can be cast consecutively, leading to shortened production times.

This process also tends to be less aggressive in terms of mould wear so that one set of silicon tooling can yield up to 80 parts. For larger numbers, resin tooling can be used, making RIM an ideal solution for either rapid prototyping or low volume production

RIM casting is also an ideal method for producing parts in a range of silicone rubbers, particularly useful for applications where high temperature capability (>200 ° C) is required.