The 3M 1/2" x 18" 40 Grit Coated Ceramic Aluminum Oxide Coarse Abrasive Belt is a durable tool engineered for challenging abrasive tasks. It utilizes a ceramic aluminum oxide grain blend that surpasses traditional aluminum oxide abrasives in cut-rate efficiency. It features a heavyweight polyester backing that offers robust support for high-pressure applications, allowing the belt to perform effectively in both wet and dry conditions. The inclusion of a grinding aid minimizes heat, enhancing performance on stainless steel and other demanding metals. A durable resin bond helps resist heat degradation.