... Plastic pall ring Size: 16, 25, 38, 50,76mm Material: PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE Use as ... with conventional liquid distributors.5. High Mechanical Strength, Ring and spoke construction provides high mechanical strength, which allows use in ... separation, ethylbenzene separation, isooctane separation and desulfurization system etc.Material: PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE.Size: ...