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 ... polymers; and this maximizes lifetime when dehydrating such molecules. Typical Chemical Formula0.45 K2O . 0.55 Na2O . Al2O3 . 2 SiO2 . 4 ...