Eriez Magnetics (Erie, Pa.) has introduced the ProGrade series of permanent magnetic separators, featuring a line of magnetic plates, grates, traps and tubes designed for plastics processing and recycling applications. The line includes magnets and assemblies at three degrees of magnetic strength. ProGrade Ceramic is designed for the removal of medium to large ferrous contamination. These products offer basic protection from tramp metals to prevent equipment damage and downtime. ProGrade Rare Earth is designed to improve product purity and prevent small and weakly magnetic ferrous particles from damaging screws, barrels and molds. ProGrade Xtreme Rare Earth is designed for high-quality separation performance to provide superior equipment protection and product purity.