Material: Carbon Steel, Stainless steel 304, 304L, 316, 316L, 410 Size:16, 25, 50, 76, 100mm Application: Use as tower packing ... number (n/m3)Heaping weight (kg/m3)5/8 "16×16×0.33620.9494232140003965/8 "16×16×0.43710.9334572140005271 "25×25×0 ... .9655012003704 "100×100×2.0350.955531200371 Metal pall ring (Dia.5/8", 1", 1.5", 2", 3", 4")