3A,4A,5A,carbon molecular sieve as catalyst for air separation industry 1.Beads 4*8mesh 8*12mesh 2.Pellets ... /16 inch 1/8 inch 3A,4A,5A,carbon molecular sieve as catalyst for air separation industryMolecular Sieve 3A is an alkali metal ... before running, or must to be reactivated. 3A,4A,5A,carbon molecular sieve as catalyst for air separation industry