Customise your Case with Annodising
Introduction to Annodising
Published: 13th April 2006 | Source: Overclock3D |
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!!!
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Cheers! :D
Caswell :)
Thanks Marcus!!!
I'm looking into it now
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.

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 :)