Up to 5 molecules deep, the VCI molecules align on the metal's surface. This layer of molecules shields the charged surface from oxidation and passivates it. The flow of ions in the electrolytic surface layer and the flow of electrons in the metal prevent the corrosion cell from establishing itself.
Even on the most complex shapes, the VCI molecules can find their way into nooks and difficult-to-reach places. Until a continuous barrier has formed on the metal part, the molecules accumulate on the metal surface. When VCI is used to wrap or package metals, the chemicals volatilize in the packaging environment and create a molecular layer of protection on the metal's surface. This barrier is a protective layer. barrier, preventing deposits of moisture, salt, dirt, oxygen, and other materials that speed up corrosion from being made directly on the metal.
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