Re: [PSUBS-MAILIST] protecting aluminum parts

[Warren Greenway <opensourcesub@yahoo.com>]

Anodizing is quite a bit better then powder coating.
Powder coating is a heck of a lot more practical on
large objects, however. Most cities have a powder
coating shop (generally for auto frames). Please note
that anodized surfaces are simply a layer of oxide. If
you want them completely sealed they should be steamed
over night.

Warren.

--- David Buchner <buchner@wcta.net> wrote:
> 
> On Tuesday, January 6, 2004, at 08:14 AM, Alec Smyth
> wrote:
> > I?d be much obliged if anyone with unprotected Al
> parts on their sub 
> > share their experience on this. Anoziding looks
> nice but on a part 
> > this size would be very expensive (extrapolating
> from what I?ve paid 
> > for much smaller parts, probably in the order of
> $500). I?m not sure 
> > whether to: [snip]
> 
> Has anybody looked into powder coating? The guy I
> bought my boat 
> (http://customer.wcta.net/buchner ) from, in
> Tennessee, has a powder 
> coating business where he does the frames for race
> cars, and he swears 
> by it and says it's much better, harder, stronger,
> etc. than anodizing. 
> I don't know anything about either, so I can't judge
> that part, but 
> that's what he said. His original plan was to re-do
> this aluminum boat 
> in that stuff instead of its original blue and gold
> anodizing. But 
> here's my point: this particular guy had all this
> extra stuff laying 
> around the shop, porch railings and radiators and
> magazine racks and so 
> on, that his friends and neighbors drop off and he
> hoses down with 
> magical electrosticky powder when he has time. And
> it comes in wacky 
> colors.
> 
> So you need a friend like that, maybe.
> 


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