3A,4A,5A,10X,13X molecular sieve as catalyst for air separation industry 1.Beads 4*8mesh 8*12mesh 2.Pellets 1/16 inch 1 ... /8 inc 3A,4A,5A,10X,13X molecular sieve as catalyst ... for air separation industryMolecular Sieve 3A is an alkali metal alumina-silicate ...