... tower packing Metal pall ring:Carbon Steel pall ring, CS pall ring, Carbon Steel pall ring, Stainless steel pall ring, SS304 pall ring, SS304L ... are available in a wide range of materials, such as Stainless steel, carbon steel, aluminum, bronze and other alloy.Technical data of Metal ... area (m2/m3)Void volume(m3/m3)Dry packing factor ( m-1 )Heaping number (n/m3)Heaping weight (kg/m3)Φ1616 ...