I found the following information online concerning what can be dried with what molecular sieve... hope it helps.
-Typical Applications for Molecular Sieve
TYPE 3A: Potassium Ion with pore diameter of 3 Angstroms
ORGANIC LIQUIDS: Acetone, Acetonitrile, Methanol, Ethanol, 2-Propanol
GASES: Acetylene, Carbon Dioxide, Ammonia, Propylene, Butadiene,
Cracked Gas
TYPE 4A: Sodium Ion with pore diameter of 4 Angstroms
ORGANIC LIQUIDS: Chloroform, Dichloromethane, Diethyl Ether,
Dimethylformamide, Ethyl Acetate, Cyclohexane, Benzene, Toluene,
Xylene, Pyridine, Diisopropyl Ether
GASES: Natural Gas, Low pressure Air Drying
TYPE 5A: Calcium Ion with pore diameter of 5 Angstroms
ORGANIC LIQUIDS: Tetrahydrofuran, Dioxane
TYPE 13X: Sodium Ion with pore diameter of 10 Angstroms
GASES: Air plant feed purification to remove water and carbon dioxide simultaneously, Cracked Gas