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It will adsorb readily moisture, but its high density slows the rate of adsorption. This is a decided advantage in assembly operations, since it restricts the amount of moisture the desiccant will pick up during handling. Exposure time of up to 2 hours can be permitted without deleterious effect under certain conditions.
Easily Reusable
Natrasorb 900 is furnished in its activated (dry) state and can dehumidify atmospheres to a -73°C (-100°F) dewpoint. Depending on the size, thickness, and configuration of the molded or machined part, the desiccant will reach its equilibrium capacity in about 10 to 100 hours. Reactivation of the Natrasorb 900 desiccant shape may be accomplished by heating at 175°C (347°F) in a vacuum of less than 0.1mm of mercury for a period from 12 to 24 hours.
