... PE, PVDF, PVC, RPVC, RPP plastic pall ring Size customized Plastic pall ring:PE pall ring, PP pall ... height, high flooding point, uniform gas-liquid contact, small specific gravity, high mass transfer efficiency, and the ... environmental protection.We are able to offer these in a variety of plastic: PE, PP, RPP, PVC, ... HDPE.We are able to offer these in a variety of Size: 16mm, 25mm, 38mm, 50mm, and 76mm ...