Vacuum forming is one of the most cost-effective ways to produce plastic parts, particularly for larger, thinner-walled components in lower volumes. It works by heating a sheet of plastic until it is soft, then drawing it down over a mould using vacuum so it takes the mould’s shape. The tooling is far simpler and cheaper than an injection mould, which makes vacuum forming the right answer for a whole category of parts where injection moulding would be uneconomical.

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