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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.
Need Something More Precise Than Bulk?
AGM provides custom desiccant options in addition to the general bulk desiccants listed above. These include Pressed, Molded, and Bagged desiccants:
H2OLock Pressed Desiccant
H2OLock pressed desiccant is available in custom made to order sizes and shapes as well as desiccant pucks. AGM’s H2OLock pressed desiccant is a suitable replacement for NatraSorb 900 and other similar desiccant products. H2OLock pressed desiccant is designed to provide an optimum balance between strength, adsorption rate, moisture capacity, and thermal resistance.
H2OLock Injection Molded Desiccants
The benefit to using molded desiccants is found in their form factor and size. The desiccant is shaped using injection molding techniques to create a shaped desiccant that can occupy up to 100% of the the available space. Furthermore, the material combination is such that the resulting desiccants are shaped to fit customer specifications, are strong enough for use as structural components in the design, and may be formed very small or to fit complex geometries.
Custom Desiccant Bags
Hand sewn or heat sealed, AGM’s custom desiccant bags allow you the flexibility of standard bulk or bagged desiccants but in a package shaped to fit your needs. AGM can produce custom desiccant bags in non-standard bag sizes, up to 11.3″ x 11.3″ (interior dimensions), for low quantity requirements and development work leading to production volumes.
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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