thermosets

(materials) Polymeric materials that usually have a crosslinked network. They are formed into a permanent shape and are cured (set) by a chemical reaction that may require heat and pressure. Thermoset polymers are typically insoluble, and cannot be remelted or reformed into another shape after curing. Also known as thermosetting resin.

A polymer-based liquid or powder that becomes solid when heated, placed under pressure, treated with a chemical or via radiation. The curing process creates a chemical bond that, unlike a thermoplastic, prevents the material from being remelted. See thermoplastic.

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A synthetic resin which assumes a permanent set under heat; cannot be remolded once the set has taken place.