This is also known as Barrier Bag Packing, Method II, Method 50. This method creates a water vapor-proof enclosure.
All sharp protrusions on the item being packaged are cushioned first
All sharp protrusions on the item being packaged are cushioned first
- The item is then enclosed it in a foil barrier
- Along with desiccant bags containing silica gel or clay
- This maintains a 20 to 30 percent humidity factor for a period of 18 to 24 months
- All seams are hermetically sealed
- Excess air is evacuated with the use of a vacuum prior to the final seal
