... Transfer Unit , high Flooding point. 2) Material:PE,PP,PVC,CPVC,PVDF The most universally applied Plastic ... circle rings knitting together, is made from PP. Due to the higher liquid holdup of the ... , chemical corrosion-resistant plastics, polyethylene (PE), polypropylene (PP), reinforced polypropylene (RPP), polyvinyl chloride (PVC), chlorinated polyvinyl ... The above data are reference to material PP.