Passivating is a chemical process that enhances the corrosion resistance of metals, particularly stainless steel. It involves treating the metal surface with an acid solution, which removes free iron and other contaminants. This treatment helps to form a protective oxide layer that prevents rust and degradation. The passivation process is commonly used in various industries, including aerospace, automotive, and medical devices. By improving the durability of metal components, passivating contributes to the longevity and reliability of products, ensuring they perform well in challenging environments.