Product Announcement from Able Electropolishing Company, Inc.

Ultracleaning & Decorative Finishing-Image

While the bright finish is the trademark of electropolishing, the key benefits of surface cleansing are much more than a shiny appearance. Since the process removes surface metal, virtually all surface impurities are removed as well. Ultraclean parts are completely free of residual dust, embedded scale, foreign debris, oils, grinding compounds, and other materials.

Electropolishing removes heat discoloration from welding and heat treating operations. The imbedded oxides from machining and polishing compounds are removed with a controlled amount of material removal. After electropolishing, the part is clean, passive, in tolerance and ready for assembly.

An electropolished part has the following characteristics:

Non-Coating

Unlike paints, plating or Teflon coatings, an electropolished surface does not peel or abrade. This is especially important where particles from coating abrasion can cause equipment malfunction or other hazards. Typical areas include food or pharmaceutical processing, high vacuum assemblies, pure gas/water systems and critical switch assemblies.

Non-Distorting

An electropolished finish can be uniformly applied on complex or fragile parts that do not lend themselves to other finishing methods. There is no effect on surface hardness and no stresses are introduced to the part.

Stain/Corrosion Resistant

Since electropolishing removes imbedded impurities and smoothes a metal surface, the resulting finish is more resistant to corrosion, tarnish or oxidation. These properties are especially evident on stainless steel, but also found on carbon steel, brass, aluminum and copper. While all these alloys are more resistant, we do not routinely recommend electropolishing as a substitute for coatings designed to protect a metal part in harsh environments.

Improve Weldability

In critical spot weldments, electropolished components are more conductive. The improved conductivity allows better, stronger welds at lower voltage. In other welding or brazing operations, electropolished surfaces generally weld more readily with less weld splatter and surface damage.

 
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