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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  How to remove faded Anodizing.
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Author Topic: How to remove faded Anodizing.  (Read 1347 times)

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bridgecity

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How to remove faded Anodizing.
« on: January 28, 2008, 04:43 PM »
(I didn't find this topic upon searching the tech forum)

How to remove Anodizing from faded parts.

Clarifying what you are working with-
There is candy/translucent paint like you'd see on a Team Mongoose.
There is translucent Powder coating.  When applied over a polished surface powder looks like candy paint.  When applied over brushed aluminum it looks JUST like anodizing.
True Anodized aluminum is done through an electro-chemical dye process, rumor has it that food coloring has been used before.


The following info is purely for responsible adults, always work with an adult before handling dangerous chemicals.


1- Proper safety.  Caustic Soda/Lye is wickedly dangerous. even the rubber gloves I used started to deteriorate within seconds of contact.
Proper ventilation, eye and skin protection. away from pets/children/etc.

---->>>>WHITE VINEGAR NEUTRALIZES THE REACTION, KEEP LOTS OF IT ON HAND AND QUICKLY ACCESSIBLE!!!!


2- Add adequate water to your disposable bucket. Add Lye to the water SLOWLY. NEVER add water to lye as it has potential to "explode" in your face.

3- slowly dip the grease free parts.


4-The red started dissolving immediately.  The blue disolved to a point where the blue was a residue that simply wiped off.


5-carefully move the parts to your Vinegar bath and let them sit long enough to neutralize any lye on them or in cracks and crevices of the parts.
  I dipped these parts about 15minutes but results will vary depending on mixture strength, anodizing quality, etc.


6- wash off the parts under water with a disposable rag. 
NOTE: Plastic washers, and chrome pieces were completely untouched by the lye dip.


7- dump the lye solution in a safe location away from pets/children, etc.

8- dump the leftover VINEGAR into your empty bucket to help neutralize leftover mixture. Dispose of or put the bucket in a safe location away from children/pets.

PS-the active ingredient in oven cleaner is Caustic Soda, but in a lesser concentration.

Offline Dingobmxer

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Re: How to remove faded Anodizing.
« Reply #1 on: January 28, 2008, 06:11 PM »

Offline Waxintaxin

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Re: How to remove faded Anodizing.
« Reply #2 on: January 28, 2008, 06:23 PM »
save the burned eyes hands clothes pets and use oven pride for anno, easier and safer and works with steel or plastic attached

Rich

bridgecity

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Re: How to remove faded Anodizing.
« Reply #3 on: January 28, 2008, 10:14 PM »
ah, it's all in the spelling.  :Great_Britain: We use a Z in the US. :uglystupid2:
Our oven cleaner is too dilluted to do a proper job.
cheers!

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  How to remove faded Anodizing.
 

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