When I last worked in the electronics manufacturing industry (9 years
ago) there was a product called 'Alodine' which chemically changed the
suface of aluminium into an impervious barrier. we generally used it's
natural brown for ease of QA inspection, but other dye colours were
available.
DavidT
Adelaide
> There are touch up pens, paints as well as oxidizers which work like gun
> "bluing"). I think you'll find the oxidizer finish for aluminum is a
> different product than the one for brass as well. I would hazard a
> guess that most Oly bodies and lenses would prefer the touch up pen to
> an oxidizer finish, anyone have direct experience here?
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