... , 4A,5A, 13X appearance:sphere /pellet ISO9001:2000 Product descriptionMolecular sieve is a material containing tiny pores of a precise and ... nonpolar liquids and gases.5A (pore size 5 Å): Adsorbs normal (linear) hydrocarbons to nC4H10, alcohols to C4H9OH, mercaptans to C4H9SH. Will ... thioalcohol in aviation kerosen and the liquid hydrocarbon Zeolite Molecular sieve