... drop, low mass-transfer unit height, high flooding point, uniform gas-liquid contact, small specific gravity, high mass transfer efficiency and so on ... , PP, RPP, PVC, CPVC, PVDF, PTFE, and HDPE.Size: 5/8" (16mm); 1" (25mm); 1.1/2" (38mm); 2" (50mm); 3" (76mm).Technical data of Plastic pall ...