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After RustBlast


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My surface (auto engine compartment) is mostly bare metal with a few areas of paint. It has been wire brushed, sanded and treated with KBS Klean. I treated the surface with RustBlast, rinsed, and then blew the surface dry. The surface now is now a copper color streaked with white. Is this flash rust and was it a mistake to blow the surface dry? What is my next step? I want to be sure I get a good rust free finish before I put the engine back in and assemble the car.

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Depending on ambient humidity and the porosity of the surface, it is normal for some slight surface rust to occur after rinsing RustBlast with water. The good news: RustSeal is very capable of bonding to and permanently sealing any remaining flash rust or corrosion which can occur after rinsing with water (especially on a very porous surface), so press on with the RustSeal step.

Please review the RustSeal Directions and let us know if you have any additional questions.

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