Plastic Pall Ring,High Quality,Competitive Price.Pls feel free to contact with us for more information. Plastic Pall Ring is made by heat and chemical corrosion resistant plastic,including polyethylene(PE),polypropylene(PP),reinforced polypropylene(RPP),polyvinyl chloride(PVC),chloridized polyvinyl chloride(CPVC) and polyvinylidene fluoride(PVDF).It has features such ashigh void ratio,low ...