filter paper
air filter paper for heavy/light vehicle filter

   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