... chloride(CPVC)and polyvinylidene fluoride(PVDF).Hollow Ball Random Packings have a strong ... Packing include Pall ring, Intalox saddles, Super intalox, Cascade ring, Heilex ring, Conjugate ring, HQM flat ring, Teller Rosetter ring, Hollow ball, Polyhedral ball ... , Cage ball and Covering ball,HQR ring.Characteristic Indexes of Plastic hollow ball NameNormalmmDiameter ...