This presentation will outline the results and conclusions of a number of years of testing and experience in surface preparation for high-performance coatings. Testing has shown that there are several important variables that are not routinely monitored and controlled on most coating projects. The pertinent variables will be identified and guidance will be provided on appropriate treatment of the variables to achieve the maximum results from the chosen coating. The information is generic and applicable to all types of coatings, including both liquid, high solids, plural component and most types of powder coatings. The majority of testing was accomplished on surfaces prepared using recyclable metallic abrasives. However, the variables are equally applicable to surface preparation using any abrasive type that is capable of continuously preparing the surface with a properly profiled, clean, backside contamination free surface.

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