[TheForge] rust finish

[Peter Hirst]

Before you give up, try visiting http://www.anvilfire.com/gurusden/

Don't bother asking about natural rust finish, though, unless you want the 
whole spiel on learning to paint and patina..  Just mention what the client 
wants and ask how to accomplish the equivalent in a permanent finish.


----- Original Message ----- 
From: "Andrew Vida" <osan at netlabs.net>
To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Monday, January 05, 2009 10:43 AM
Subject: Re: [TheForge] rust finish


>
>
> sos at frii.com wrote:
>> Does ordinary lacquer stand up to UV from the sun? I don't know.
>
>    No.  The sun is a pretty powerful destructive agent where finishes are
> concerned.  Finishes like incralac and permalac are supposed to be
> pretty good, but I have never used them so I don't know first hand.
> Marine varnishes, however, are very strong in this regard.
>>
>> I've used a special purpose lacquer on an outdoor iron (unrusted) sign:
>> http://www.permalac.com/
>> I added an organic corrosion inhibitor (Irgacor 153?). I suspect Permalac
>> comes with something like it now, but I don't know.
>> The sign has been up ~15 years with no sign of any rust. This is on the
>> side of a brick wall in Loveland, Colorado, which has a pretty dry
>> climate.
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