PP Heilex Ring size: 50-100 mm material: PP ISO9001:2000 available for ... . Plastic Random Packing include Pall ring, Intalox saddles, Super intalox, Cascade ring, Heilex ring, Conjugate ring, HQM flat ring, Teller Rosette, Hollow ball, ... Polyhedral ball, Cage ball and Covering ball,HQR ring,Characteristic Indexes ...