38mm pall ring 1.Size: 38*38*1.2mm 2.Surface area: 120 m2/m3 3.Free volume: 91% 4.High quality Competitive price for 38mm pall ring - PP material Introduction: Plastic tower packing is made from heat resistant and chemical corrosion resistant plastics, including polyethylene (PE), polypropylene (PP), reinforced polypropylene (RPP), polyvinyl chloride (PVC), chloridized polyvinyl chloride (CPVC) ...