... Pall Ring, PVC Pall Ring, PVDF Pall Ring The Advantages of PP Pall Ring, PVC Pall Ring, PVDF Pall Ring :High ... specific gravityHigh mass transferApplications of PP Pall Ring, PVC Pall Ring, PVDF Pall Ring : Widely used in petroleum, chemical, ... degreesTechnical Data for PP Pall Ring, PVC Pall Ring, PVDF Pall Ring NameSizeDiameterx Height x ThicknessSurface areaVoid spaceBulk densityNo.perPacking ...