Electropolishing and Passivation

Modern Grinding offers passivation and electropolishing of stainless steel wires. In the presence of oxygen, passivation is self repairing which is why after passivation, your wire will remain bright and shiny for a long time.

Wire Electropolishing

Electropolishing is an electrochemical process which brightens a steel surface by selective dissolution of the high points. Metal is removed from the surface producing a unidirectional pattern that is both stress and occlusion free.

Wire Passivation

Passivation is the use of a light coat such as metal oxide which is used to create a shell to protect the wire against corrosion. This process removes any free-iron from the surface of stainless steel while creating the passive chromium oxide layer.

Modern Grinding has provided wire passivation and electropolishing for guidewires, k-wires, core wires, coils, mandrels, steinmann pins, and stylets.

Below is a good breakdown of Electropolishing vs. Passivation

Passivation vs Electropolishing Infographic

Additionally, Modern Grinding works with Classic Electropolishing for outsourced electropolishing.

Quote Your Next Project

  • Guidewires, Mandrels, Core Wires
  • K-Wires, Steinmann Pins, Needles
  • Coils, Springs, Orthopedic Pins
  • Custom Medical Wire Prototypes



In the News

Check out Modern Grinding in a recent issue of Micro Manufacturing for a feature article about our micro manufacturing capabilities.




Also, our very own Jim Boldig was recognized as a Top 30 under 30 Medtech Innovator by Qmed.