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Electropolishing Electro-Chemical Cleaning (ECC) Passivation

News and other Important Information

Watch for the upcoming article in the Nov/Dec 2011 issue of Pharmaceutical Engineering on Weld Color by UltraClean's Ken Kimbrel

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New passivation techniques - less down time! Call Us, ask us how?

Corrosion got you down?  Let UltraClean repair and clean your tanks on site!

Hutto, TX

UltraClean Electropolish, Inc.

808 Tradesman Park Loop

Hutto, Texas 78634

Ph: 512-642-3726

Fax: 512-642-6394

Contact: David Martin - Shop Supervisor

 

UltraClean Electropolish Inc. operates a 3000 square foot facility in Hutto Texas that is capable of performing;

Mechanical Polishing - using various forms of abrisives and grinding and polishing tools (including unique adaptations) mechanical polishing is the primary method for meeting a required surface roughness (Ra) on a metallic surface.

Passivation - per ASTM A-380 includes a pre-cleaning part to remove residue from manufacturing followed by a nitric acid or citric acid exposure for the purpose of removing any free iron from the surface and allowing a chromium enriched oxide surface to form which provides optimum corrosion resistance for the surface finish.

Pickling - using concentrated acid pickling removes heat scale, weld scale, heat discoloration from stainless steel alloys

Electropolishing - an electrochemical process that smooths and levels metalic surfaces to a degree only comparable to a "lapped" finish which is provided using extreemly fine "diamond" particals in a slurry form such as is used in preperation of laboratory metalurigical samples and on precision "gage blocks".

Electrochemical Cleaning (ECC) - the use of electropolishing techniques to remove "rouge", stains, product residue, grey residue common on mechanically polished stainless steel surfaces.

Electrochemical Passivation - per ASTM B-912 uses electropolishing techniques to similtaniously remove surface contamination from manufacturing and forming a chromium rich oxide surface that when properly rinsed and allowed to dry provides a passivated state equal to or in some cases superior to conventional passivation methods. 

These services are routinly performed on;

Fabricated equipment

Process vessels

High purity process components

Heat Exchangers

Precision machined parts