... , 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 ... Φ7676×76×2.6730.9294193060 16, 25, 38, 50,76mm plastic pall ring (Material: PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE)