Today industrial importance of abrasive has gained such an importance that without abrasive civilization could well revert back to primitive stage. The grading or dividing of the crush into various sizes through a series of screen is the main process incase of abrasive grain manufacture. The use of abrasive grain is closely tied to the development and use of grinding wheels. Abrasive industry is key industry catering to the need of all engineering industries for precision grinding, tool grinding etc.
They are used in the manufacture of tiles, polishing, rice, flour mill stones, abrasive tools.