This specification covers three types of masking materials in the form of pressure-sensitive adhesive tape. This tape has been used typically for temporary indoor protection of aircraft surfaces from finishing materials where adhesive transfer to the finished surface is not desirable, but usage is not limited to such applications. Also for use on chemical conversion coatings or on anodized aluminum alloy surfaces which have been finish with epoxy primer and urethane top coatings and for use on all clean metal surfaces.