... Ring 1.Material:carbon steel, ss304, 304 L, 410, 316, 316 L 2.Size:dia25,38,50mm 3 ... the indensity of packing and gas-liquid contact area, as well as help spread the liquid and ... such as carbon steel, stainless steel 304, 304 L, 410, 316, 316 L, etc. to choose from.Application: ... etc. Tachnical Parameter:NameSize Diameter x Heightx Thickness mmSurface area m²/ m3Void space %Bulk density kg/ m3No,per ...