Loctite Copper Based Anti-Seize Lubricant is an exclusive formula that suspends copper and graphite in a high quality grease, protecting metal parts from rust, corrosion, galling and seizing.  MIL-PRF-907E Tested and approved.  Applicable materials:  Most metals; Plastic; Copper; Brass; Cast Iron; Steel; Stainless Steel.  Die, Machinery and Valve applications.  Corrosive Process Resisant.  Temperature range is 1800 degrees Fahrenheit.