No dryer, lots of interest in PTi’s dryer-less sheet extruder


One way to reduce the energy, space, and maintenance impact of dryers in the extrusion of materials like polyethylene terephthalate (PET) and polylactic acid (PLA) is to eliminate the need for them altogether. That's the promise of the "dryer-less" twin-screw sheet extrusion technology that Processing Technologies International (PTi; Aurora, IL) showcased during a Sept. 20 open house at its company headquarters in Aurora, IL.

Converting space formerly used for storage, PTi invested $3 million in the setup of the operational production-scale demonstration line that relies on Italian supplier Bandera's patented High-Vacuum Twin-Screw Extruder (HVTSE) with downstream coating, accumulating, and winding technology from PTi. The system was up and running for a contingent of visitors, including attendees of the Society of Plastics Engineers (SPE) 20th annual Thermoforming Conference, who were bussed in from that event being held in nearby Schaumburg, as well as trade media and Linda Chapa LaVia, the democratic state representative for Illinois' 83rd district, which includes Aurora....
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