Pickle passivation is the immersion of metal in a nitric-hydrofluoric acid bath. Pickled stainless material has a light matte appearance. Benefits include ease of sterilization and corrosion resistance. Electropolishing is the immersion of metal in a charged bath of sulfuric and phosphoric acid. Benefits include ease of sterilization, improved cleaning properties, corrosion resistance and a mirror finish look. Apache is a manufacturer of small and large vessels and food processing equipment. We can handle small parts or assemblies as large as our tanks that we build, with larger pieces possible with the use of fixtures or double dipping. Visit STAINLESS FINISHING to download our brochures, white papers and watch videos on material finishing.