Stainless steel (high-alloy steel):

• Additional alloyants: Chromium, nickel and molybdenum
• Produces a very inert surface layer (“passivation”) that largely prevents corrosion. This often allows use under higher humidity and temperature.
• The passivation of the surface layer much reduces the development of physical interactions, for example with an adhesive in the form of adhesion forces.
• For that reason, mechanical pretreatment alone often gives inadequate long-term stability.