... material: PE,PP,RPP,PVC,CPVC,PVDF ISO9001:2000 Plastic Polyhedral ball Random PackingsPlastic tower packings are made from polyethylene(PE),polypropylene ... ring, Teller Rosetter ring, Hollow ball, Polyhedral ball, Cage ball and Covering ball,HQR ring. Characteristic Indexes of Plastic polyhedral ballNameNormalmmDiameter×Height×ThicknessmmSurface aream2/m3Void ...