Nomex Needle Felt filter bag 1.Weight:500g/m2 2.Thickness:2.1mm 3.Temperature:204-240'C 4. ... steel factory, carbon black, cement, power plant, etc.FilterWeight(g/m2)StructureLayer/ScrimSupportThickness(mm)AirPermeability(mm/s)@0.51”H2OTensile Strength ... Scrim2.1200-240100015002040204240Heating,Singeing and Calendering Nomex filter bag-500g/m2