The strong single-sided adhesive tape 3M 425 made of annealed aluminum can be used as a sealing material against the leakage of liquids and gases, including chemically aggressive ones, as a thermal barrier or a thermal and light reflective layer, but also as a masking and protective tape during electroplating, when applying de-icing fluids, or solvents for paint removal, etc. It has low flammability - belongs to class L, approved U.L.