+29 How To Blacken Aluminum You Should Know. This should lift the dark coating, which you can then sponge off with soap and water. With linseed oil i have coloured a piece of aluminum to bronze brown (bad smelling and tedious!).
Boil 10 minutes and drain. Wash the jax off the metal when the metal is slightly darker than your desired finish. White of an egg is usable, too.
( Topic 4851 On The Hotline) 2000.
And rinse off with water. If you haven’t tried aluminum black, you should. It helps to follow the instructions.
It Will Give Aluminum A Matt Dark Black Finish.
Wash again with water and dry. (such an acidic solution will also remove any white, chalky spots that have bloomed on your pan as the. In this video i'm showing you what i use to give my aluminum gun parts the color and finish of regular black anodized gun parts.
In The Metal Finishing Guide Book There Is A Formula To Blacken Aluminum Made As Follows:
To ensure the best results, clean your metal of all lacquer, oil, grease and wax. Todays gun shops dont know of this aluminum black, i suspect it got nuked. Clean the areas with acetone or denatured alcohol and then with a swab.
White Of An Egg Is Usable, Too.
You can use 20% shellac solution instead of oil. This should lift the dark coating, which you can then sponge off with soap and water. Anodize at 15 volts for 30 to 45 min in a 15% by weight solution of sulfuric acid at a constant 72 °f.
Once It’s Dry You Can Take It A Step Further And Wax It.
Be careful and don't touch the oxide with bare hands. This process can be used on any metal (if that metal can be heated to 400 °c). And yes i've heated the parts with a heat gun too.