We offer cost effective corrosion protection products and services. We partner with our clients to develop a tailored corrosion protection system.
The VCI active ingredient (VCI = Volatile Corrosion Inhibitor) can be a component of different packaging materials, such as film or paper. It vaporises from these into the packaging space, condenses on the bare metal surfaces and thus prevents ambient molecules – such as water or oxygen – from reacting with the metal, so forming a temporary, dry corrosion protection.
After removal of the packaging, the inhibitors volatilise leaving no residues. This is also the main advantage of VCI corrosion protection when compared to protective layers involving oils or waxes, which have to be removed at great expense. Depending on the structure and handling of the packaging, our VCI packaging is guaranteed to provide corrosion protection for up to 15 years.
The corrosion process begins when the moisture in the air is deposited on the metal surface. This moisture acts as a conductor enabling the flow of electrons between high-energy areas (cathodes) and low-energy areas (anodes) of the metal surface. This electrochemical process then results in the visible oxidation called tarnish, corrosion or rust.
The Zerust® packaging materials contain proprietary chemical formulations that release an invisible, odourless, and non-toxic corrosion inhibiting vapour into the air. The vapour molecules settle on exposed metal surfaces in an enclosure and interrupt the electrochemical corrosion process.
Later, when the parts are removed from the packaging, the corrosion inhibiting molecular layer immediately dissipates into the atmosphere. This leaves behind clean, dry and corrosion free metals that are ready for immediate use and require no further cleaning or handling.
Get in touch with our team of specialists to find out more information or discuss your corrosion issues.