Scotch-Brite™ Clean and Strip Disc D2 aggressively cleans welds and removes paint, rust, and coatings without profiling or gouging the metal beneath. Extra coarse silicon carbide non-woven disc cuts fast, conforms to contours and leaves a fine finish. Scotch-Brite™ Clean and Strip Disc D2 SB14780 is made of an extra coarse grade silicon carbide to aggressively remove paint, rust and coating. Silicon carbide is a synthetic mineral that is very sharp and commonly used for low-pressure applications such as paint prep. While it breaks down faster than aluminum oxide, it produces a superior finish. Additionally. the open web construction and abrasive properties of the Scotch-Brite™ Clean and Strip Disc D2 SB14780 provides a smooth running wheel that resists loading. The non-woven disc cuts faster and is a safe alternative to wire brushes.