... adsorption capacity to polar molecule and saturation molecule, therefore, molecular sieve can separate molecule that is different in polarity extent, saturation extent, ... pass by and only acts as barrier for bigger molecule and germ. Molecular sieve’s stronger adsorption capacity and stronger thermal ... Sodium A (4A),Calcium A(5A)X type: Calcium X(10X), Sodium X(13X)molecular formula:Na2O.Al2O3.2SiO2.9/ ...