I use a bead blaster with glass or sugar sand for rust.
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I use a bead blaster with glass or sugar sand for rust.
Evaporust works well. A typewriter eraser will also clean up small rust spots. You can still get them on line. They look like a pencil with a brush on the end. Faber-Castell pencil with brush 3 pack.
Soak the part in evaporust, as per directions, take it apart, wash off the part with water, dry with air hose or canned air spray for computers, apply light oil-I use Kano-Kroil. Light gun oil works good too. Use brake cleaner to wash off mold and smoke them before use. Works for me.
I just finished cleaning up a mold I bought from flea bay. It looked OK in the pictures, but it had a fair amount of rust and crud on it when it arrived. I let it sit in Evapo Rust, completely apart, for a couple of hours, brushed off a lot of rust with an acid brush, washed it off with hot water, dried it with computer compressed air, and then took a type writer eraser to it and cleaned it up pretty good. I used a Faber-Castell perfection #7058B eraser made in Germany. I oiled it prior to re- assembly. Looks pretty good.
If rust is light boiling and polishing with fine steel wool and oil works, I have also cast a couple of bullets with the mould and used that to lap out cavity. I have also used some of the other methods it all depends on how rusty and where it is. Regards Stephen
My first mold was given to me in a box of stuff. I knew nothing and it took CB to tell me it looked like a HG. It was pretty rusty in and out. I went easy and cleaned up the old .38 WC mold with Evaporust. Its really nice but the cavities are pitted. It still works great anyways.