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[Shop-talk] Removing bondo

Subject: [Shop-talk] Removing bondo
From: bspidell at comcast.net (Bob Spidell)
Date: Wed, 19 Oct 2011 20:02:16 -0700
References: <CAOtbU9UOEOhhYG-szqEsTXwg=w0QeMu93HGkV+syXRD-2v9iXA@mail.gmail.com>
A propane torch will soften the filler, making it much easier to scrape the 
heavier layers off.

One of these on a 4.5" grinder will take off the thinner layers: 
http://www.homedepot.com/buy/paint/paint-tools/norton/4-12-in-x-58-11-in-rapid-strip-disc-70237.html
  (it will leave 
some fine scratching).

Chemical paint strippers work, but not too well on thick buildups.

We had to take a bunch of filler off our Austin-Healey; we heated, scraped, 
then got the last of it with the stripper wheel.


Bob



On 10/19/2011 4:45 PM, Douglas Braun wrote:
> Hello,
>
> I have an old fender (for a '31 Ford) that has a coat of bondo about 1/8"
> thick all over it.  Does anybody
> know a good way to remove it?  I will eventually sandblast the fender, but I
> am worried that the bondo
> will be resistant to sandblasting, sort of the way rubber or some plastics
> are.
>
> Does methylene chloride paint stripper attack the stuff?  How about burning
> it off?
>
> Thanks,
> Doug
>
>
>


-- 
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Bob Spidell           San Jose, CA            bspidell at comcast.net

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