How to Anodize Using Rit Dye
Anodizing allows you to improve the hard texture of aluminum parts or casts to prevent them from rusting or corroding. This makes it easier for you to make use of light metals and enhance the color of the surface of your aluminum parts. You can anodize the aluminum parts at home with the use of Rit Dye to seal the aluminum objects after anodizing. Make sure you do all the steps accurately to come up with best results.
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Things You'll Need
- Protective gloves
- Protective goggles
- 3 tbsp. lye
- Water
- Aluminium cast parts
- Plastic tub
- Battery acid
- Aluminum plate
- Car battery charger
- Thermometer
Instructions
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1
Wear protective gloves and goggles before you mix any of the substances.
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2
Mix 3 tbsp. lye with 1 gallon of water and use this mixture to clean the aluminum cast parts.
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3
Fill 3/4 of your plastic tub with water and fill the remaining 1/4 space with battery acid. Handle the battery acid with care as it is a very strong acid and can burn your skin.
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4
Tie the wire onto the aluminum part for anodizing as well as the aluminum plate and dip them into the solution of battery acid. Attach the charger negative lead to the plate, while the positive lead is connected to the aluminum part for anodizing.
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5
Switch on the charger at about 2 volts. Bubbles should come off the plate. Leave the parts in the battery acid solution for at least two hours or until the part starts to yellow or turn dull.
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6
Turn off the charger and remove the aluminum cast part from the battery acid bath. Rinse it thoroughly with water.
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7
Mix your Rit fabric dye with distilled water and add the aluminum parts into it. Heat to 100 degrees Fahrenheit.
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8
Rinse the parts again with water and drop in boiling water for at least 30 minutes. Remove the parts from the water and leave to cool at room temperature.
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