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Desiccant Unit Calculator

How Much Desiccant Do You Need?

Instructions

1) Select your unit of measure

2) Input your total air volume

3) Click "Calculate"

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 Are Desiccant Units Defined?

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 DESICCANT GUIDES

For more information about specific desiccants, how they work, and how they compare, check out one of AGM's desiccant guides.

AGM Container Controls, Inc.
3526 E. Fort Lowell Rd.
Tucson, AZ 85716
520.881.2130
agmwebsales@agmcontainer.com

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