Denso Paste is a soft brown petroleum based compound, containing moisture displacing and corrosion inhibiting compounds for application by stiff brush or gloved hand at normal ambient temperatures. It does not dry, harden or crack. For the preparation of metal surfaces prior to the application of Deso Petrolatum tapes. It is also used as a rust preventative for screw threads, valve spindles, wire ropes etc. and temporary protection on exposed metal. It is used as a sealing compound for bedding rigid thermal insulation sections.