Postby Wheels » Thu Mar 15, 2012 7:29 pm

Anyone know the best bondo for smoothing or filling pits in cast iron? There seems to be several bondos to choose from.
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Re: Bondo

Postby Richard-TX » Sat Mar 17, 2012 1:55 am

I use the stuff that requires a separate hardener. The UV cure is only good if a source of UV is available.

Sanding Bondo is an art. to keep it smooth use the least amount of pressure on the sander.

When the Bondo work is done, blow it off with compressed air. Fill in any tiny holes with finishing putty. One tube of that stuff should last a long time.
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