High Technology Vapor phase Corrosion Inhibiting Films and Bags Multimetal VpCI Systems Description VpCI(Vapor phase Corrosion Inhibitor)126 Series combine the latest film technology with the most effective corrosion protection for all your metals. Sealing your product in VpCI films protects metal parts from all types of corrosion including rust, tarnish, stains, white rust and oxidation for up to 5 years(Depending on film construction thichness and application). It is as easy as putting your product in VpCI package and sealing!