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Letter 12069
Procedure for Black anodising
I need a detailed procedure for black anodising of components for
cosmetic industry. Please help.
Sukesh H. Sheth
- Bangalore, India
Hi, Sukesh,
If you are familiar with anodizing already, the thing about black
parts is they require a heavy coating of anodizing (0.0005" to twice
that) because black is such a saturated color that you need a thick
anodized layer to accept the required amount of dye.
If you know little about anodizing yet, you might start with
The Surface Treatment and Finishing
of Aluminum and Its Alloys by S. Wernick, R. Pinner, P.G.
Sheasby or
"The Technology of Anodizing Aluminum" [link is to info at Amazon about the book], or the
more manageable
"Aluminum
How-to", and then get back to us on any specific sticking
points. There is enough involved in anodizing that it fills large
books. Sorry, but we just can't offer the detailed procedure at
conversational length. It doesn't fit :-)
Good luck.
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Ted Mooney, P.E.
finishing.com
Brick, New Jersey
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