... .0mm0.119 inInner walls0.7 mm0,028 inSpec. area825 m²/m³251.4ft²/ft³Void fraction64%64% Physical dataNameUnitAlumina PorcelainMullit ... porousCordieriteDenseCordierite PorousQuartz PorcelainDensityg/m³2.80 2.302.761.9-2.152.68lb/ft ... ³175144172119167Packing densitykg/m³920 832860670680lb/ft³57.5 51,953,741.942, ...