Rhenium (Re) Sputtering Targets

Rhenium is a rare, lustrous, silvery-white metallic element with the atomic number 75. Situated right after tungsten on the periodic table, rhenium is one of the heaviest metals, with an exceptionally high density of 21g/cc. This makes it invaluable as a high-performance alloying additive. When alloyed with platinum, rhenium catalyzes petroleum reforming to produce high-octane, lead-free gasoline. Rhenium alloys also provide improved properties in superalloys used for turbine engines.
In nature, rhenium is one of the rarest stable elements. Global production is less than 100 metric tons per year. Rhenium is primarily obtained as a byproduct of molybdenum refinement. Extracting rhenium is difficult due to its low concentrations and lack of high-yield ores. This scarcity makes rhenium one of the most expensive metals, valued for its unique properties including high melting point, stability, and strength at high temperatures. With constant demand and limited supply, rhenium remains a strategically critical material for advanced technologies ranging from aerospace and defense to petrochemical industries.

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