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 ... temperature of 250-300ºC is required. A properly regenerated molecular sieve can give moisture dew points below -100ºC, or ... 2 mm, (10x18 mesh) 2-3 mm, (8x12 mesh) , 2.5-5 mm, (4x8 mesh) and as powder, and in pellet 1 ...