Customise your Case with Annodising

Introduction to Annodising

What is annodising and what can be annodised?
The truth about DIY anodising is that it is surprisingly easy. Sure, there is the matter of highly toxic chemicals such as Sulphuric acid, and the real possibility of experiencing a Hydrogen gas explosion, but the process itself is easily within the realms of most computer modders. When you are aware of them, and take precautions, the dangers just add to the fun of doing something that most people wouldn't attempt.
Aluminium is a reactive metal, but it doesn't corrode as quickly as most ferrous products. This is because an oxide layer quickly forms on its surface, protecting the base metal underneath. When Aluminium Oxide forms in air the result is a white powdery layer that can be easily scraped off. Conversely, anodising is an electro-chemical process that forms a structured, chrystalline "surface skin", which is extremely durable. Basically any aluminium can be treated, however this process is most successful with flat-sheet or turned products - so if you have anything Aluminium that you want to change the colour of, this is how to do it!!!


Annodising

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Most Recent Comments

15-04-2006, 09:29:35

Kempez
Its a great guide Peevs :)

I'm getting well tempted for a new case but lack of room restricts me at the moment. Once I get some more room then I'll buy a new case and get some annodising done :)

19-04-2006, 11:56:35

FragTek
You're last pic in the first post is of an acid washed Angel, I used to have one just like that with a black and orange wash on it...

Cheers! :D

24-10-2009, 15:39:13

mnpctech
sorry for reviving this old thread, but it's worthy of revisiting :)

24-10-2009, 15:55:51

Coopsman1
That is awesome but acid id something i dont want to play with, local companys tend to do it fairly cheap now adays

24-10-2009, 20:05:56

Drach
Great guide. Had been curious about doing this on a few parts since recently seeing it in a case mod I really liked! :)

25-10-2009, 04:16:55

Socks
isnt there an engineering company that sell a kit for anodising?

25-10-2009, 07:51:59

Marcus
Caswell :)

25-10-2009, 08:20:04

Socks
marcus to the rescue, yet again!! wooop!

25-10-2009, 10:37:49

Coopsman1

Caswell :)



Thanks Marcus!!!

I'm looking into it now

25-10-2009, 12:22:13

Marcus
Here's some more info if you want to have a crack at it at home, it's from an e-mail I got from them a while back RE sourcing suplhuric acid.

Due to health & safety retail outlets cannot supply sulphuric acid in its neat form but can sell a formula for drain cleaning. We have found over the last 5 years that a product called "Oneshot" sold in B&Q, Robert Dyas and other good ironmonger stores is the best formula for our use. It is 91% sulphuric acid and as the colourant and odouriser are both organic, these disappear quickly with use.

To use this product you need measure out 2 litres of deionised water into a plastic container capable of holding 4 or 5 litres and also able to stand reasonable temperature. You would then the 1 litre of Oneshot into the water, NOT the other way round, but do this slowly as it will generate a fair amount of heat. You now have what is termed battery acid. For anodising one part of this acid is poured into two parts of distilled water and you now have an anodising electrolyte.

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