3A,4A,5A,10X,13X molecular sieve as catalyst for air separation industry 1.Beads ... /8 inc 3A,4A,5A,10X,13X molecular sieve as catalyst for air separation industryMolecular Sieve 3A is an alkali metal alumina ... mesh) , 2.5-5 mm, (4x8 mesh) and as powder, and in pellet 1/16inch 1/8inch AttentionTo avoid damp ... must to be reactivated. 3A,4A,5A,10X,13X molecular sieve as catalyst for air separation industry