... Wire Mesh Screen Demisters 1.HG/T 21618-1998, non-standard 2.Q235, 304, 316, 316L, RS-2, NS- ... ,wire material;2,shape;3,diameter;4,filter rating.Specifications:standard typeMaterial: 302,304,304 L, 316,316 L, 317 ... : 529.6 m2/m3 porosity : 0.9788εHigh efficient type Material: 302,304,304 L, 316,316 L, 317 ... area: 403.5 m2/m3 porosity : 0.9839εshock absorption type Material: 302,304,304 L, 316,316 L, 317 ...