air filter paper,filter paper

   PHISICAL PROSPERTY   TEST METHOND UNITS   DATA   BASIS WEIGHHT Impregnated GB/T451.2-2002 g/ m² 168 cured GB/T451.2-2002 g/ m² 160 THICNESS plain GB/T451.3-2002 mm 0.58 corrugation GB/T451.3-2002 mm 0.82 AIR PERMEABILITY   △200Pa   QB/GW003-2005   l/m²/sec   218   BURST STRENGH Impregnated GB/T454-2002 Kg/cm² 2.3 cured GB/T454-2002 Kg/cm² 3.48   PORE SIZE maximum QB/GW004-2005 μm 52 mean QB/GW004-2005 μm 45   VOLATILE       %   5   RESIN CONTENT   phenolic   QB/GW005-2005   %   21

   Index name Unit Standard Index Grammage g/m2 GB/T451.2-2002 185 Thickness mm GB/T451.3-2002 0.65 Corrugation depth mm GW001-2005 —— Not cured gurley strength Kpa GB/T454-2002 400 Cured gurley stiffness mgs QB/GW002-2005 4368 Air permeability(△P200Pa) L/m2/S QB/GW003-2005 65 Max pore size μm QB/GW004-2005 36 Mean pore size μm QB/GW004-2005 25   Resin content % QB/GW005-2005 21.5 Volatiles % QB/GW006-2005 4.5 Application:fuel filter,water filter(oil field intake,industrial water,cival water),EDM,Wire EDM(Cooling fluid,cutting fluid,machine processing metal filing, silt)