Plastic pall ring Size: 16, 25, 38, 50,76mm Material: PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE Use as tower ... Pall rings can be applied to various of device of isolation, absorption, deadsorption, constant decompress tower such as toluene separation, ... ethylbenzene separation, isooctane separation and desulfurization system etc.Material: PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE.Size: 5/ ...