Dryers are used to minimize or eliminate problems that moisture in the plastics cause during processing. If moisture-sensitive polymers like nylon, polycarbonate, PBT, PET and a host of others are not dried prior to processing, the physical properties of that resin/part will be drastically affected. There are various types of drying technologies available, including dual bed desiccant, desiccant wheel, vacuum, oven and infrared. Dryer selection may be dictated by the throughput requirement of the process, as well as price and other features desired.

Knowledge Center

Insights into plastics technologies from industry experts.

Charlie Sears of Dri-Air Industries

Resin-Drying Icon Sears Dies at 78

40-year industry veteran was founder and president of Dri-Air Industries.

NPE2018 New Technology Focus: Drying

Industry 4.0 meets resin-drying at NPE2018.
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New Product Announcements

Resin Drying: Centralized Segmented Wheel Dryer

Launched at K 2019, Wittmann Battenfeld’s ATON H1000 battery dryer can handle a dry air volume of 1000 m³/hr, for a drying throughput of 500-600 kg/hr.