... towers of petrochemical, chemical, gas, environmental protection etc. Plastic Conjugate Ring is suitable for many kinds of seperation/ ... Ethyl Benzene seperation, Isooctane/ Toluene seperation and so on. Plastic Ring Rondom Packing include Hacketten, Conjugate ring, Pall ring, ... Ring,Haier Ring,Rectangle Saddle Ring. Features of Plastic Ring Tower Packing: thin walls, large void space large flux, low ...