Do All Metals Corrode?

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When we think of metal, we often make the mistake of grouping together every type of metal.  The problem with this is that it causes us to treat every metal the same, yet not all metals are made up of the same components.  This is an advantage to us, as it gives us the ability to choose from different types of metals, depending on our needs.  This also means, though, that not all metals need to be stored in the same way. 


The reason we bring this to your attention is that a lot of people believe that every type of metal can be damaged by corrosion.  Although many can, there are exceptions.  Such as:

  • Stainless Steel – Stainless steel is known for its resistance to corrosion due to its high percentage of chromium.  It’s chromium oxidizes and forms a thin layer of chromium oxide on the surface of the steel; this layer resists corrosion.
  • Aluminum – Since aluminum has almost no iron, the metal can’t rust, but it can oxidize.  When it’s exposed to water, aluminum oxide forms on the surface, making it even more resistant to corrosion.
  • Copper – Copper has little iron as well, meaning that it can’t rust.  Even more, copper oxidizes over time to form a green patina, which protects the metal even more from corrosion.


If you have products that are made out of these metals, then corrosion shouldn’t be your first concern.  That being said, there are plenty other types of metals that you do need to protect from corrosion.  To do so, you can use VCI paper, which stands for volatile corrosion inhibitor.  VCI paper is treated with engineered chemicals to form a protective molecular layer around the metal.  By doing so, the VCI paper prevents salt, dirt, and oxygen from depositing on the metal and causing corrosion.


For more information about our protective packaging, contact us at Edco Supply Corporation.

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