... of inert solid shapes dumped in a cylindrical column . Tower Packing is usually thought of as a mass of inert solid ... liquid in a wet scrubber to make contact. Structured tower packing is thought of in much the same manner, a ... for the gas and liquid to make contact.Plastic random tower packings include pall ring ,raschig ring ,intalox ring , ... PE,PVC ,CPVC,PTFE,PDF,etc. PP random tower packing rings