How do you sand and prepare aluminum for metal polishing and buffing? Made of non-woven nylon material with added stiffness, our Surface Prep Disc produces an aggressive cut and is designed for applications such as removal of burrs or tough contaminants. We designed the prep Disc to efficiently perform light deburring and aggressive cleaning on a variety of metal substrates: ferrous and non-ferrous metals, aluminum, high nickel and stainless steel. The tough nylon web offers sustained performanc