... effect.6. Gas-liquid with uniform distribution.Applications of Plastic Pall Ring:Plastic Pall rings are widely used in Absorption, scrubbing, and ... , RPP, PVC, CPVC, PVDF, PTFE, and HDPE. Technical data of plastic pall ring: Diameter (Inch)Dimension d×h×δ (mm)Specific surface ... "50×50×1.5930.901276500563 "76×76×2.6730.9294193060 Polypropylene plastic pall ring packing used in petroleum industry