Rhenium is a chemical element with symbol Re and atomic number 75. It is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table.
R 0099 (OTTO) Rhenium powder, -22 mesh, 99.999% Cas 7440-15-5 - used to make jet engine parts. R 0099 (OTTO) Rhenium powder, -22 mesh, 99.999% Cas 7440-15-5 - used in making lead-free, high-octane gasoline.