... standards for gas separation tower in the drople SpecificationsManufactory Wire Mesh Screen Demisters 1.HG/T 21618-1998, non-standard 2.Q235 ... area: 529.6 m2/m3 porosity : 0.9788εHigh efficient type Material: 302,304,304 L, 316,316 L, 317 Specifications ... area: 403.5 m2/m3 porosity : 0.9839εshock absorption type Material: 302,304,304 L, 316,316 L, 317 Specifications ...