Desican Inc offers a good moisture adsorbents Unit Pak line in various size packaging. These Unit Paks meet or exceed MIL Spec 3464, Type I & II. A “unit” refers to a Military Specification for packaging. The term unit is a quantity of desiccant, which will adsorb a set percentage of its weight at certain levels of humidity. For convenience, one unit is approximately equal to one ounce. Unit pack & Sorb-It® packaged silica gel is a highly porous amorphous silicon dioxide. It binds water molecules in its random intersecting channels which have various diameters. The material remains dry and free flowing, even after fully saturated with water vapor.

Sizes :

Available in 1/6, 1/3, 1/2, 1, 2, 4, 6, 8, 16 or 80 unit

Desiccant Material:

Tyvek® Packets (1/6-16 unit) (FDA Approved), Melfit non-woven (1/6-16 unit), Kraft (1/6-4 unit) and Sewn Bags (8-80 units).

Tyvek is a spunbonded olefin. Tyvek bags are made from high density polyethylene fibers, making them extremely tear resistant. In addition, Tyvek is lightweight, flexible, smooth, low-linting, and is resistant to water, chemical abrasion, and aging.
Tyvek bags won't promote corrosion and contains no sulpher. Sulpher, when placed in contact with a product may cause corrosion in many applications, such as those used by the electronics industry.

This packet material is the best value for most small packaging applications. GDTII is tear-resistant, flexible, low-linting, allows a high adsorption rate, and features good seal strength. Tri-Sorb® in GDTII packets is also approved by the U.S. Food & Drug Administration for direct contact with food and pharmaceuticals.

5 gallon pail (1/6-2 unit) or 30 gallon drum (1-80 unit)