Daubert Cromwell Premium Metal-Guard Film is a specially formulated, multi-purpose VCI film that provides corrosion protection for a wide range of ferrous and non-ferrous metals. Some of the metals protected include aluminum, copper, bronze, brass and zinc, including galvanized. Premium Metal-Guard has the exceptional vapor phase capabilities required to provide corrosion protection for export crates, large engine blocks, and even bagged assemblies. It enhances the dust protection and showroom-ready packaging of ordinary polyethylene with total corrosion protection. Daubert Cromwell Metal-Guard films provide unmatched corrosion prevention across a broad spectrum of common and specialty metals.