... ,PP,PTFE.etc. 2.Large Scale 3.Factory mirror demister pads standard typeMaterial: 302,304,304 L, 316,316 L, 317 ... 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 : 0.9839ε shock absorption type Material: 302,304,304 L, 316,316 L, 317 Specifications ...