... They are available for stripping, absorbing and washing in low temperature of 60-150C in the tower in chemical, petrochemical, alkali chloride ... , Cage ball and Covering ball,HQR ring,Characteristic Indexes of Plastic Heilex Ring NameNormalmmDiameter×Height×ThicknessmmSurface aream2/m3Void space%Bulk ... 32-1.441.50-1.541.75-1.78 Working temperature,C≤90≤100≤120≤60≤90≤150 Chemical resistanceCorrosion ...