... ring 16, 25, 38, 50,76mm plastic pall ring PP, PE, PVDF, PVC, RPVC, RPP plastic pall ring Use as tower packing ... Plastic pall ring:PE pall ring, PP pall ring, RPP pall ring, PVC pall ring, CPVC pall ring, PVDF pall ... plant, separation of ethylbenzene, seperation of isooctane/ methylbenzene.Material: PE, PP, RPP, PVC, CPVC, PVDF. Size: 5/8" (16mm); 1" (25mm); 1 ...