Carborundum Universal

Carborundum Universal (CUMI) is a company that makes special types of materials called abrasives. Abrasives are materials used for grinding, polishing, and cleaning surfaces to make them smoother and shinier. CUMI makes different types of abrasives, such as grinding wheels, sandpaper, and polishing stones. They also make materials that help make tools stronger and better at cutting, like diamond powder and grinding compounds. All of these materials are used in many industries, like automotive and aerospace, to make many different things, from car engines to airplane wings.