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