... tower packing Metal pall ring:Carbon Steel pall ring, CS pall ring, Carbon Steel pall ring, Stainless ... gas and liquid transfer rates. The opened cylinder walls and inward bent protrusions of the Metal ... range of materials, such as Stainless steel, carbon steel, aluminum, bronze and other alloy.Technical ... 50, 76, 100mm Metal pall ring (Material: Carbon Steel, Stainless steel 304, 304L, 316, 316L, 410) ...