Rick Wise Posted March 3, 2021 Report Share Posted March 3, 2021 We all are familiar with the shiny, silver, kidney shaped metal rib that comes with every basic tool set. I thought I would be smart and make me some so I got some metal sheeting from Home Depot and cut out the shapes I wanted. However, I find that if I use the homemade rib to burnish my pot at the conclusion of trimming it leaves a black film on the surface of the pot as if it was dirty or had ink on it. The rib LOOKS clean and shiny with no visible dirt or other matter on it. I cant figure out why this occurs but assume it must have something to do with the quality or character of the metal sheeting from which it is made. Anyone know why this would occur? Link to comment Share on other sites More sharing options...
liambesaw Posted March 3, 2021 Report Share Posted March 3, 2021 That sounds like aluminum leaving aluminum oxide behind. Normal metal ribs are stainless steel. It shouldn't hurt anything and will fire white. Link to comment Share on other sites More sharing options...
Rick Wise Posted March 3, 2021 Author Report Share Posted March 3, 2021 Bingo. Thanks. Link to comment Share on other sites More sharing options...
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