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
>
>
>
--
*******************************************************************
Bob Spidell San Jose, CA bspidell@comcast.net
*******************************************************************
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