... , petrochemical, alkali chloride, coal gas and environmental protection industries. Plastic Random Packing include Pall ring, Intalox saddles ... Polyhedral ball, Cage ball and Covering ball,HQR ring,Characteristic Indexes of Plastic Heilex Ring NameNormalmmDiameter×Height× ... 2.0 559648185062 Physical & Chemical Properties of Plastic Packings Material ItemPEPPRPPPVCCPVCPVDF Density,g/cm30.94- ...