Thermoplastic composite

A composite whose matrix is a thermoplastic polymer, such as polypropylene, polyamide or PEEK, rather than a curing thermoset. Thermoplastic composites can be formed and reformed with heat, joined by welding rather than bonding, and are more readily recycled at end of life.

Also known as: fibre reinforced thermoplastic

Related terms

Organosheet

A fully consolidated sheet of continuous fibre fabric in a thermoplastic matrix, supplied ready to be heated and thermoformed, often with injection-moulded ribs added in the same tool. Organosheets bring continuous-fibre performance to high-volume automotive production.

Composites & laminatesManufacturing processesAutomotiveIndustrial

Glass mat thermoplastic

GMT

A semi-finished sheet of glass mat reinforcement in a thermoplastic matrix, typically polypropylene, which is heated and compression moulded into parts in short cycle times. GMT is an established material for automotive components such as underbody shields, seat structures and bumper beams.

Composites & laminatesManufacturing processesAutomotiveIndustrial

Thermoset

A polymer that cures irreversibly through crosslinking, forming a rigid three-dimensional network that cannot be re-melted or reshaped by heating. Epoxy, polyester, vinyl ester, phenolic and polyurethane resins are common thermosets used as composite matrices, adhesives and coatings.

Resins & adhesivesMaterials science (general)Composites & laminatesAerospaceAutomotiveConstructionMarineGreen energyIndustrial

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