Abrasive grains – usually aluminum oxide or silicon carbide
Bonding agent – usually a resin bond
Spacing of grains within the bond – determine porosity and strength
What is grit size?
Grit size typically runs from coarse (16 -24 grit), medium (36 – 60 grit) and fine (80-120 grit). Superfine grits run from 150 and higher. Grinding wheels usually will be between 24 and 100 grit. Honing stones and