Perpetually in its infancy, PET foam sheet has been a hard sell for packaging producers over nearly a decade. It found successful niches in thermoformed ovenable bakery trays, meat trays, and reheatable dinner trays for home delivery to disabled persons.
A new method of recycling PET into pellets or directly into extruded sheet is said to save time and energy by combining crystallizing and drying with size reduction in one piece of equipment.
Where's the extruder?" was the comment often heard about the most unusual extrusion exhibit at K'98, a screwless, cone-shaped device that can extrude two or more melt streams.
