Material: Carbon Steel, Stainless steel Size: 16, 25, 50, 76, 100mm Application: Vacuum rectifying towers Longevity Service Metal Pall ring is one of ... materials such as stainless steel, carbon steel, aluminum, bronze, 304L, 316L, and other alloy etc.Technical data of metal pall ring: Diameter (Inch)Dimension ... .9655012003704 "100×100×2.0350.955531200371 Metal pall ring (Carbon Steel, Stainless steel)