5 Most Frequently Asked Questions About Dryers

摘要

Whether you need a desicant (dehumidifying) dryer rather than a hot-air type depends on the resin being processed.l Hot-air dryers are mostly used for non-hygroscopic materials, such as polypropylene, polyethylene and polystyrene. For these plastics, drying is only necessary to remove moisture condensation adhering to the surface of pellets or granulates.