Re: [PSUBS-MAILIST] Aerospace and Marine Corrosion

[Coalbunny <coalbunny@vcn.com>]

Roger, what do you suggest for aluminum and galvanized steel?
Carl


rjune@fuse.net wrote:
> 
> My company does a lot of painting for the Military (Navy, USCG, etc)
> 
> I suggest the following:
> 
> 1. Grind all sharp corners, edges, burnouts etc. - if this is not done, then later when the painting is done, these edges are the first place were the paint will start to erode, flake away.
> 
> 2. Remove all oils
> 
> 3. Sand blast all surfaces - this is important for two reasons: a. It removes all rust, mill scale, etc. i.e. it cleans the surface.  b.  It provides the surface roughness so that the paint will adhere or stick.
> 
> 4. Paint as follows;
>   a. Steel shapes, plate steel, ferrous castings - 2 coats of inorganic zinc epoxy primer applied to a total of 250 microns thick (125 microns each), this is a green colored primer. - 1 coat of polyurethane applied to 50 microns thick, (the US Navy uses Haze Grey (FSC #26270) but any color is fine.
> 
>   b. Hot Machinery - 1 coat of heat resistant aluminum
> 
> Roger June
> REJ & Company
> 513-300-1189
> rjune@fuse.net
> >
> > From: jaytron@wideopenwest.com
> > Date: 2002/10/26 Sat AM 12:37:09 EDT
> > To: personal_submersibles@psubs.org
> > Subject: Re: [PSUBS-MAILIST] Aerospace and Marine Corrosion
> >
> > This might be useful, but right now I'm more interested to
> > see if anyone knows of a good less expensive replacement for
> > marine paint. Anyone?
> >
> > Jay S.
> >

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