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How can I make steel rust quickly to make movie props? Answered

I want to make things out of steel and then coat them in an oxidizing agent of some sort so that they are covered in surface rust and look really aged.

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Putzer

9 years ago

Put some bleach in a spray bottle and spray onto metal. Test it somewhere inconspicuous first though to make sure you like how it will look.

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jtobako

9 years ago

Look up 'iron patina' and 'gun browning'. Best bet would be to prep the surface with sand blasting or acetone and then a coating of salt and humidity. After you get the patina, go over the high spots with a bit of sandpaper to brighten up and smooth out the wear points and it will look older-deeper crevices build up a different color than the higher surfaces.

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benthekahn

9 years ago

just cover them with salt water.

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kreationismbenthekahn

Answer 9 years ago

I know that. But i was thinking something a little quicker than months to years. I know fluorine is the most electronegative element and therefore i wasnt sure if a fluoride compound would oxidize the metal quickly or not.

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NachoMahmakreationism

Answer 9 years ago

. Flourine does not rust metal, it etches/eats it. FeF3

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benthekahnkreationism

Answer 9 years ago

If you soak steel in salt water it will rust in a day or two.

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NachoMahma

9 years ago

. Why go to all the trouble? Just use rust colored paints and an airbrush. You've still got a good piece of iron when you're done with the movie. If you need texture, apply "Bondo" or spackle before painting.

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caitlinsdad

9 years ago

I've seen some people say use hydrogen peroxide to speed up the rust. Maybe try weak acids from Coca-cola to vinegar and leave outdoors. Prep the surface with some fine emery cloth to get it roughed up. The other way is with faux painted finishes. Good luck.