3A,4A,5A,carbon molecular sieve as catalyst for air separation industry 1.Beads 4*8mesh 8*12mesh 2.Pellets 1/ ... 3A,4A,5A,carbon molecular sieve as catalyst for air separation industryMolecular Sieve 3A is an alkali metal alumina-silicate; it ... . 3A,4A,5A,carbon molecular sieve as catalyst for air separation industry