1.Available material: PP,PE,PVC,CPVC,PVDF 2.Available color: black&white 3. high free volume, low pressure drop, 4.ISO9001 Plastic Conjugate Ring is a kind of advanced packing which is made of heat resistant and chemical corrosion resistant plastics, such as PE, PP, RPP, PVC, CPVC and PVDF. So it is economical and has versatile industry standard with well-known performance characteristics.Plastic ...