Lab-Metal 24 oz
Product Review (submitted on July 21, 2012):
I bought his product to fill in flaws in a rough casting prior to powder coating. The product had separated in the can, solvent on top and hard dense stuff in the bottom of the can. I was finally able to get it mixed to a soft paste-like texture but it was hard work! I expected this stuff to work something like body putty but that was not my experience. First, you only get one chance to spread it. If you try to shape or smooth it with additional passes it crumbles. Adding some thinner, as suggested in the use tips, improves workability somewhat. Another problem is that this stuff drys harder than the aluminum casting I was trying to repair which makes blending the repair difficult. As tough as this stuff is to use I wonder if I just got a can that was past it's shelf life.