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You require at least X unit(s)
Approximately:
- X gram(s) of silica gel,
- X gram(s) of molecular sieve, or
- X gram(s) of clay.
How much desiccant do you need?
Desiccant Unit Calculator
With AGM’s Desiccant Unit Estimation Tool you can quickly ballpark how much desiccant you need to protect your equipment from moisture. Just choose your unit of measure, input your total air volume, and click “Calculate”!
According to MIL-D-3464, a desiccant unit is the quantity of desiccant that will adsorb 3.00 grams of water vapor at 20%RH and 25◦C, as well as 6.00 grams at 40%RH and 25◦C. Therefore, a unit of desiccant differs depending on the type of desiccant measured. For example, one unit of silica gel is equivalent to 26 grams, while one unit of molecular sieve corresponds to 28 grams. Furthermore, a minimum of 1.2 units of desiccant per cubic foot of air volume is recommended as a general best practice.
AGM Desiccants Guides
For more information about specific desiccants, how they work, and how they compare, see AGM’s desiccant guides.
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