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Lab-Metal 24 oz is rated 2.75 out of 5 by 4.
Rated 3 out of 5 by from Time consuming to use. 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.
Date published: 2012-07-22
Rated 4 out of 5 by from Work great if you work fast I use Lab-Metal to fill small pin holes and minor defects on sand cast aluminum parts before powder coating. It starts to set in about 30 seconds so work fast and you will be happy with the product.
Date published: 2013-05-01
Date published: 2014-06-23
Rated 1 out of 5 by from Another product that fails to perform as stated... Must dilute heavily with solvent to make workable. Instructions state that a 1/16" layer needs 2hrs to cure, so I filled in a dent on a gas tank with four 1/16" layers that I let cure for a FULL DAY each. After four days of patient curing in a heated/insulated shop, I did a final sand in preparation for powder coating. Instructions state that product is good for a 20min trip through the oven @ 420deg, and my powder only needed 12min @ 400deg, so everything should've been kosher. After just 5min in a 400deg oven, the product had outgassed so badly it looked like I powder coated over an Alka Seltzer... One of the bubbles was so big it looked like a pencil eraser sticking halfway through the finish. Fact of the matter is, if this product cannot withstand even 5min in the oven after following the application instructions to a tee, then it CANNOT be powder coated, so you may as well do your repair work with Bondo and simply paint it. I believe I speak for powder coaters everywhere when I say we simply don't have time to completely re-do projects because one of the products we used along the way failed to perform as advertised. Epic FAIL...
Date published: 2014-11-26
  • 2015-07-29T09:38CST
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I need a product like this to fill dents on a aluminum turntable plate I have some dents I want to fill before I powder coat it but the reviews stop me way is this product not performing? as advertised is there something else?

Asked by: Ricado Delgado
The lab metal and or the USC All metal (metal to metal filler) will both work with powder coat and will have no issues building or smoothing.
Answered by: SeanA
Date published: 2015-01-08
  • 2015-07-29T09:49CST
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Lab-Metal 24 oz

Item #10207Z Brand: Alvin Products

Metal repair putty, dent filler and patching compound... ready-to-use


Lab-metal® is a metal repair putty, dent filler and patching compound...ready-to-use right out of the can! Make fast, permanent repairs, especially before powder-coating. Lab-metal® ready-to-use repair compound spreads like paste and hardens quickly into metal.
  • Aluminum-filled, 1-part repair putty
  • Fills dents and flaws easily and economically
  • Can be milled, chiseled, drilled, sawed, tapped and machined
  • No catalyst needed so it's easy to apply

More info...

About Lab-Metal 24 oz

Lab-metal® fills dents in metal and non-metal parts, right from the can with a putty knife or similar tool. No 2-component mixing or measuring, so there's no waste. No heat, special tools or specialized skills are necessary. Will not shrink, crack or peel. Not affected by mild acids, gasoline, oil or petroleum solvents, and withstands temperatures as high as 350 degreesF and as low as -40 degreesF.

Lab-metal may be thinned to paint consistency with 10208ZP Lab-Solvent® (sold separately), and brushed or sprayed on practically any surface to provide a rustproof, water-resistant, hard metal finish.

Use the 10208ZP Lab-Solvent® (sold separately) to thin Lab-Metal, clean the application surface and create a glass-smooth surface to minimize sanding.


24-oz. can of Lab-metal®


10208ZP Lab-Solvent®, 1-pint

MSDS Sheet

Click Here for Material Safety Data Sheet

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