... are widely used in the packing towers in petroleum, chemical, alkali chloride, coal gas industries and environmental protection industries. Main Features:1 ... : polyethylene (PE), polypropylene (PP), reinforced polypropylene (RPP), polyvinyl chloride (PVC), chloridized polyvinyl chloride (CPVC) and polyvinylidene fluoide (PVDF).2. Corrosion resistance, high ...