Detailed Product Description Polyester filter felt for air filtrationDescription:Fibre: 100% PolyesterScrim: 100% PolyesterWeight: 550g/m2Permeability: 130L/dm2.minOperating temp. -continuous: 130 oCOperating temp. -instant: 150 oCSurface treatment: Heat set, singed, calenderedOuter packing: in rollsApplicant area: high temperature filteration in liquid, airFor more information, please feel free ...