prep aluminum after b17?

[j4str]

What do you guys do? It seems like blasting is the only thing that takes the black sut off. But it seems like there should be something easier

[ty1854]

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.

[j4str]

And if you had to restrip it, you would do all that again everytime?

[ty1854]

Yep do I the same thing every time. It sounds like a lot but I can do it very quick as I have a system I am used to. Also I do several different parts at once to make it more efficient.