... , isooctane separation and desulfurization system etc.Material: polyethylene (PE), polypropylene (PP), reinforced polypropylene (RPP), polyvinyl chloride (PVC), chloridized polyvinyl chloride (CPVC) and ... ×50×1.5930.90127650056Φ7676×76×2.6730.9294193060 Plastic polypropylene pall ring (16, 25, 50, 76mm)