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Used Thermoset Injection Molding Machines for Sale

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Most of our inventory sells before we can list it online. If you need a specific brand, model, or specification, tell us what you needβ€”we have access to unlisted equipment and machines coming in from plant closures.

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About Used Thermoset Injection Molding Machines

Thermoset injection molding machines are designed to process materials that cure permanently with heat, including bulk molding compound (BMC), sheet molding compound (SMC), phenolic, melamine, urea, epoxy, and polyester compounds. Once cured, thermoset parts cannot be remelted β€” they offer superior heat resistance, dimensional stability, and chemical resistance compared to thermoplastics.

Used thermoset injection molding machines feature screw and barrel designs optimized for thermoset materials, heated molds (rather than cooled), and precise temperature control to manage the curing reaction. These machines serve the electrical, automotive, appliance, and industrial markets.

Meadoworks stocks used thermoset injection molding machines from Hull, Newbury, Stokes, and Cincinnati Milacron. Contact us at 800-323-0307 for current availability.

Common Applications

Electrical components
Circuit breakers
Automotive under-hood parts
Appliance handles
Cookware handles
Industrial insulation
Aerospace components

Frequently Asked Questions

What is thermoset injection molding?

Thermoset injection molding processes materials that undergo a chemical reaction (cross-linking) when heated, permanently setting their shape. Unlike thermoplastics which can be remelted, thermoset parts cannot be reshaped once cured. Common thermoset materials include phenolic, BMC, SMC, melamine, and epoxy compounds.

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