... chemical, oil, air separation and natural gas processes. Features & Application Molecular Sieve 5A is an alkali alumino silicate; it is the calcium form ... case of pressure swing processes. To remove moisture from a 5A molecular sieve, a temperature of 250-300°C is required. A properly ... , (8x12 mesh) , 2.5-5 mm, (4x8 mesh) and as powder, and in pellet 1.6, 3.2.AttentionTo avoid damp ...