What Are Mil-Spec Barrier Bags?

What Are Mil-Spec Barrier Bags?

Military specification, or Mil Spec, barrier bags are specialized packaging solutions designed to protect sensitive electronic and mechanical components from moisture, dust, grease, and other environmental hazards. These bags are manufactured to meet the rigorous standards set forth by the United States military and are used extensively in the aerospace, defense, and electronics industries.

Mil Spec barrier bags are made of multi-layered materials, including high-density polyethylene (HDPE), nylon, paper, and aluminum foil. The bags are designed to be puncture-resistant and have a low moisture vapor transmission rate (MVTR), which means that they can effectively block moisture and other contaminants from entering the bag. Bags can also be constructed to block harmful electro-magnetic radiation or static discharge. 

The construction of Mil Spec barrier bags is crucial to their effectiveness. The bags must be able to withstand extreme temperature changes, rough handling, and exposure to harsh chemicals and solvents. The multi-layered materials used in the bags provide superior protection against these hazards, ensuring that the contents remain safe and secure during even the most austere transportation and storage conditions.

In addition to their use in the military and aerospace industries, Mil Spec barrier bags are also used in the medical and pharmaceutical industries to protect sensitive equipment and supplies from contamination. These bags are essential in preventing the spread of infections and maintaining the integrity of critical medical equipment.

Mil Spec barrier bags are available in almost any size and configurations, with many being custom constructed for their specific use. Bags are often combined with other protective packaging components like desiccant packs to absorb moisture and keep the contents dry. This is particularly important for components that are susceptible to corrosion, such as circuit boards and connectors.

When selecting Mil Spec barrier bags, it is important to consider the specific needs of the application. Bag material must be selected to withstand the environmental hazards that the contents will be exposed to, and the must be properly sized to accommodate the components being stored or transported.

Royco Packaging has been a leading manufacturer of quality Mil Spec barrier bags for over 40 years, supplying the US Department of Defense and countless military contractors. Contact one of our packaging specialists today!