DEK Medcncparts

Surface Finishing

Electropolishing for Medical Components

Electropolishing medical metals produces smooth, clean, corrosion-resistant surfaces, removing burrs and impurities to ensure biocompatibility, sterility, and reliable device performance.

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Other Surface Finishing

Laser Marking/UDl
Passivation
Titanium Anodizing

Before

introduction

Custom Medical Parts with Electropolishing

With MedCNCParts’ electropolishing, healthcare components achieve uniform, defect-free surfaces that enhance durability, biocompatibility, and sterilization efficiency. Microscopic defects and surface irregularities are precisely removed, ensuring each part performs safely and reliably throughout its service life.

Fully biocompatible and sterilization-ready, MedCNCParts delivers clean, consistent, and compliant components that meet rigorous medical standards, providing long-lasting performance and maximum patient safety.

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Our Advantages

What Makes Us Different

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Rapid Turnaround

Use advanced equipment for precision machining and deliver customized parts on time as needed.

Material Selection

Implantable metals and biocompatible plastics, fully sterilization-ready and compliant for medical use.

Strict Quality Control

ISO 13485 and ISO 9001 certified, with a complete quality control system including FAI and CMM inspections.

Precision Assembly

Accurately assemble and install as needed to ensure coordination and fit between components.

Knowledge

More About Electropolishing

What's Electropolishing?

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Electropolishing is an electrochemical process that removes a thin layer of material from a metal surface, producing a smooth, bright, and clean finish. The part is immersed in a controlled electrolyte bath while an electrical current dissolves microscopic peaks on the surface. This improves surface uniformity, reduces roughness, and enhances corrosion resistance.

Unlike mechanical polishing, electropolishing does not involve abrasion or physical contact, minimizing the risk of scratches, contamination, or stress on delicate parts. It is especially effective for complex geometries, micro-channels, and intricate features that are difficult to polish manually. The process also improves surface cleanliness, reduces bacterial adhesion, and prepares metals for passivation, coating, or sterilization.

Advantages of Electropolishing

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Improves reflectivity and aesthetics for high-visibility or decorative components.
Removes embedded contaminants and surface oxides, producing chemically cleaner parts.
Reduces particle shedding, critical for cleanroom or medical applications.
Minimizes bacterial and biofilm formation, enhancing hygiene and sterility.
Extends part service life by reducing surface wear and micro-corrosion.
Facilitates inspection and assembly, as smooth surfaces are easier to measure and handle.

Design Considerations for Electropolishing

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Improves reflectivity and aesthetics for high-visibility or decorative components.
Removes embedded contaminants and surface oxides, producing chemically cleaner parts.
Reduces particle shedding, critical for cleanroom or medical applications.
Minimizes bacterial and biofilm formation, enhancing hygiene and sterility.
Extends part service life by reducing surface wear and micro-corrosion.
Facilitates inspection and assembly, as smooth surfaces are easier to measure and handle.

Testimonials

Customers Feedback

“We’re honestly blown away by the quality and consistency of the parts. MedCNCParts really makes our workflow so much smoother and stress-free. Great work!”

George Anderson

- QA Specialist
“Working with MedCNCParts for electropolished components has been a total relief. They really understand the precision we need, and the finishes are consistently flawless. It makes our production process easier and efficient. I genuinely enjoy collaborating with MedCNCParts, they always make complex parts feel effortless and always deliver on time.”

Tim Alvarez

- Device Development Lead
“It’s great working with a partner that listens. Our suggestions on complex part geometries are always considered, and the electropolished results consistently exceed our expectations. MedCNCParts’ services are truly one of a kind!”

Robert Thompson

- Manufacturing Engineer

Showcase

Electropolishing Parts Showcase

Electropolishing FAQs

FAQs

Find quick answers to your most frequently asked questions about our products and services.

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Which materials can you electropolish?

We electropolish medical-grade stainless steels such as 316L and 17-4PH, titanium alloy Ti-6Al-4V ELI, and select biocompatible plastics.

How do you ensure compliance and traceability?

Every part is documented, validated, and traceable from raw material to final finish under strict ISO-certified protocols.

Can electropolishing remove rust?

MedCNCParts' electropolishing removes light surface oxidation and contaminants. Heavier rust or corrosion may need pre-cleaning or mechanical preparation for optimal results.

How can you identify an electropolished finish?

Electropolished parts from MedCNCParts have a mirror-like, uniform surface, free of burrs or peaks, offering excellent smoothness and enhanced cleanliness.

Is electropolished stainless steel safe for food and medical use?

Yes. Electropolished stainless steel reduces bacterial adhesion and surface contamination, making it ideal for food, medical, and pharmaceutical applications.

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