Resin Dryers: Which Type Is Right for You? : Plastics ...
According to Nielson, these dryers generally use only about 25% as much total energy as desiccant dryers. Also, residence time with these dryers is much less than for many other types of dryers due to the very fast transfer of heat into the pellets. "We can dry nylon in about 20 to 30 min versus maybe 4 to 6 hr for a desiccant dryer," he says.