... maximizes lifetime when dehydrating such molecules .Typical Applicationa, Dry of unsaturated hydrocarbons ( ethylene , propylene etc )b, Cracked gas ... essential , or a minimum co-adsorption of hydrocarbons is requiredd, Drying of highly polar compounds , such like methanol ... units , whether air filled or gas filledg, Drying of refrigerantsTypical Chemical Formula0.45K20. 0.55Na2O . Al203. 2SiO2. 4. ...