... effect cold 4,heat resistonce,long life metallic Rectangle saddle ring Materials:stainless steels,carbon steels,aluminium,copper, ... ethyl benzene separation,and Iso-octane/toluene systems. Metallic random packingThe advantages of metallic tower packing:lowresistance,low pressure ... and heat resistonce,long lifetime. Include: pall ring, Rectangle saddle ring, Ladder ring, Conjugate ring, Inner curved arc ...