Re: prep aluminum after b17?
After I strip the part with B17 and rinse it off I quickly blast it to put a good profile on the metal. I then wash the part with soap and high pressure water to remove any contaminates left by blaster. After that I apply my iron phosphate and rinse with low pressure water, then it is off to the oven to dry/out gas. I use this process everyday and it has yet to let me down.
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