Herbie said that the glove was contaminated with "a bacteria" (he should have said "a bacterium" or just "bacteria", plural) called Leptosprillium ferricomedentis. There is no such species, although many other bacteria in the genus Leptospirillum (e.g., L. ferrooxidans or L.ferriphilum) do have the ability attack iron, like the one he described.
(Starting at 31:57) During the fight between Agent Ressler and The Freelancer, the face of Ressler's stunt double can clearly be seen several times as the fight ensues.