PE,PP,RPP,PVC,CPVC,PVDF Size:16,25,38,50,76mm Professional experience in production & export ISO9001-2008 certified Plastic Pall Ring (PP Pall Ring, Pall Ring PP) Indtroduction:Plastic pall ring is made from heat resistant and chemical corrosion resistant plastics, including polyethylene (PE), polypropylene (PP), reinforced polypropylene (RPP), polyvinyl chloride (PVC), chloridized polyvinyl ...