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Member Webinar: Pros and Cons of Acid Etching Prior to Painting Aluminum
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Member Webinar: Pros and Cons of Acid Etching Prior to Painting Aluminum

This webinar endeavors to show how with proper etching, the use of hexavalent chrome-containing conversion coatings can be reduced or eliminated.

7/12/2017
When: Wednesday, July 12, 2017
1:30 PM
Where: United States

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Join us as Scott Wojciechowski of BCI discusses paint pretreatment.  Since the 1950’s, aluminum paint pretreatment processes in the USA have utilized an alkaline etching cleaner followed by a chrome phosphate conversion coating. Extensive research has been done in Europe to better understand the effects of etching and also the benefit of using an acid etching cleaner. This webinar hopes to show how with proper etching, the use of hexavalent chrome containing conversion coatings can be reduced or eliminated. Data supplied by the GSB and Qualicoat will be displayed showing the optimum amount of etching to reduce filiform corrosion.

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