Emery Grains Stones
These minerals are forms of bonding abrasive particles together with various binders. It is used in the metal, glass, and ceramic industries.
Classification of Emery
abrasive sizes are: very large, large, medium, fine, very fine
abrasive feature: aluminum oxide, silicon carbide, diamond, CBN
binder feature: ceramic, bakelite, rubber, graphite, magnesite, silicate
hardness: very hard, hard, medium, soft, very soft
texture: very often, often, moderately, infrequently, and very rarely
purpose of use: surface grinding, external grinding, internal grinding, screw grinding, tool grinding, cutting, honing, deburring, center grinding, centerless grinding, gear grinding
shapes: such as flat, shaped, conical, bowl, circlip, cylinder, handle, screw, rod, or hanger.
Natural Emery Grains Chemical Element Natural Aluminum Oxide (corundum) – Al2O3
Characteristics Hard, tough and rough rock type of natural corundum Natural grey color
