gingery_machines @Wiki plastic

casting#materials: plastic
casting#techniques: plastic

Thermoplastic polymers such as PETE (pop bottles) HDPE (plastic bags), LDPE (yogurt containers),

These materials are heated to the plastic forming point and squeezed into a mold under pressure in an injection_molding machine ?.

See resin for thermoset polymer casting techniques.

Links:
How to make a simple injection mold for robot tank treads:
http://www.seattlerobotics.org/encoder/mar97/mold_art/molds.htm