Long-term moisture protection through barrier packaging

Longer transports and storage times promote the formation of water vapour condensate within transport and storage containers, causing condensation and corrosion.

MetPro offers comprehensive long-term corrosion protection using the desiccant method. The desiccant method is based on the fact that within a barrier layer envelope made of aluminium composite film with the help of desiccant, a microclimate deviating from the environment with low humidity is created and maintained so that no corrosion can take place.


  • No corrosion
  • Suitable for all materials
  • No rust, no mildew, no moisture damage
  • Suitable for long-term preservation over decades
  • Residue-free removal from the packaged goods

What is corrosion?

Why you should do something about it. Corrosion is generally defined as the reaction of a material with its environment, resulting in an oxidation process that not only affects the appearance, but also the functionality and thus the value of your goods, and can lead to significant follow-up costs. Metallic corrosion requires a reaction partner in order to take place. In most cases, this is water in the form of condensate. In order to protect products from corrosion, a distinction is made between two methods during production and packaging:

1. the VCI method (VCI = Volatile Corrosion Inhibitor)
2. the desiccant method for long-term corrosion protection

The explanations in the following explanatory film are somewhat more detailed:

What are "CLIMA" packages and how do they work?
It is barrier packaging made of aluminium composite film and it works by removing moisture from the package using a desiccant and thus prevents corrosion:


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