Wednesday, November 12, 2014

Faux Rust Effect

Above is a test paint effect I did a little while ago. It worked out well so I thought I'd share it here.
I saw that it was possible to buy reactive paints from a few companies, most in the US. But I'm in Ireland...$$$
So I decided to do a bit of research and make my own. It involves a reactive paint and a rusting solution.
For the paint you need:
  • Acrylic matt medium
  • Iron filler powder 
And for the rusting solution:
  • 100mls water
  • 10g Copper Sulphate
  • 10g Ammonium Chloride
And for it to work you need:
  • patience
 Mix iron powder into matt medium. You need a lot of iron in there but still the paint need to flow. 

Apply a layer all over your object to be rusty. Allow to dry completely (cure), ideally over night.
Apply a second layer of iron paint but before it dries, spritz lightly with the rusting solution.(you don't want to wash the paint off)
Leave it to dry.
Within a few hours you should see a rusty effect starting to appear. It will keep reacting for days and become more rusty.
I like to spray another mist over the top and heat it with a hair drier or heat gun to accelerate the reaction. I did this 3 times over a day.
Next day the result was much like the image above. It has reacted a little more in the past few weeks but not a massive change.

If you use this I'd love to see the results. My email is on the contact page of my website.

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