Our activated clay bags exceed the requirements of MIL-D-3464E in actual performance and will exceed the moisture vapour absorption of silica gel at U.S. government specification levels.

Bentonite clay is a naturally occurring mineral as opposed to a chemically synthesized absorbent. Therefore it is more economical than silica gel or molecular sieves. The performance curve exceeds both U.S. military specification, which is the industry standard, and the silica gel performance curve for these same specifications.

At 20% RH, the activated clay bags will absorb 50% more moisture than required by MIL-P-116-E, whereas silica gel will only absorb 3.5% more moisture than required by MIL-D-3464E. It also meets Method II Packaging Standards in MIL-P-116-E, which covers the basic requirements of military packaging methods of preservation. This involves packaging an item inside a sealed waterproof and moisture vapour-proof container with the inclusion of a desiccant to prevent rust, mildew or corrosion damage. In Method II packaging, the package is maintained at a safe humidity below 40% RH during the normal storage period of 18 months to 2 years.

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Desiccant is a drying agent required to absorb moisture during the packaging, storage and transportation of moisture sensitive devices. Use in conjunction with our ESD moisture barrier bags and humidity indicator cards for a comprehensive dry packaging solution.