5 a molecular sieve pore size for 5 a, can adsorption is less than the diameter of any molecule, is mainly used in heterogeneous hydrocarbon separation, pressure swing adsorption, adsorption separation and water and carbon dioxide, based on the industrial application characteristics of 5 a molecular sieve, we in the production of 5 a molecular sieve choose high adsorption, adsorption speed, especially suitable for the pressure swing adsorption, can adapt to all kinds of size of oxygen, hydrogen, carbon dioxide and other gases pressure swing adsorption device, is the high-quality goods in the industry pressure swing adsorption (psa).