De-yellowing

COURYHOUSE at aol.com COURYHOUSE at aol.com
Mon Aug 24 14:48:34 CDT 2015


and I  will add...   the Retrobrite...  we are  not  sure  what the long  
term effect   is....
 It  would be a real bummer if  50  years  from  now the object 
decomposes.... OH NOOOO!!!! 
 
Ed#  _www.smecc.org_ (http://www.smecc.org)  
 
 
In a message dated 8/24/2015 12:37:14 P.M. US Mountain Standard Time,  
wdonzelli at gmail.com writes:

> I'm  not into the de-yellowing thing myself.  There's no evidence that
>  de-yellowing improves the durability of objects.  A museum curator  
preparing
> an exhibit might well use a water-based acrylic that can  easily be washed
> off.

That is what the Air and Space Museum has  done for a while - a very
thin wax coat covers the original, untouched  finish, and a new paint
job is applied onto the wax. Apparently it is easy  to strip off, thus
a reversible portion of a restoration, but I think the  paint is not
durable at all (which is why you should not touch things in  museums
unless given permission).

I am not a fan of the Retrobrite  process, although I have never tried
it out. In my mind it just seems  wrong.

--
Will



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