... finished.Inorganic ceramic film has many advantages that traditional medium do not have, such as casing, centrifugal machine, diatomite and ... m,0.2μm,0.1μmMaterials of Support: 99%a AluminaMaterial of Film: alumina, zirconiaPorosity:35%Resistance to acid and ... Screen FilmAperture: 50nm,30nm,100-50-20-5KDMaterial of support: I:99%a-aluminaMaterial of Film Layer: zirconia and titanium oxidePorosity: 35 ...