... zeolite, CaA molecular sieve, 5A molecular sieves, PSA molecular sieves Typical Chemical Formula:0.7 CaO . 0.3 Na2O . Al2O3 . 2 SiO2 . n H2ORegeneration: CHEMPACK molecular sieve ... pressure swing processes. To remove moisture from a 5A molecular sieve, a temperature of 250-300ºC is required. ... A properly regenerated molecular sieve can give moisture dew points below -100ºC, or ...