... as tower packing Plastic pall ring:PE pall ring, PP pall ring, RPP pall ring, PVC pall ring ... pall ring, PVDF pall ring, PTFE pall ring, HDPE pall ring.Plastic Pall Ring has an advance on ... plant, separation of ethylbenzene, seperation of isooctane/ methylbenzene.Material: PE, PP, RPP, PVC, CPVC, PVDF. Size: 5/8" (16mm); ... 38, 50,76mm plastic pall ring (Material: PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE)