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Jet Molding

A modification of the injection molding process designed for thermosets. An elongated nozzle or “jet” is attached to the front of the molding cylinder, provided with a high intensity heating element and rapid cooling means.  It is also necessary to control cylinder temperatures carefully to prevent premature hardening of the resin.

Source: Whittington, Lloyd R.  Whittington's Dictionary of Plastics (Stamford, CT: Technomic, 1968).