There are many types, the most often used being:

  • Steel shot (= round) and steel grit (= angular) in various hardnesses, dimensions and compositions (such as stainless steel and steel)
  • Cut wire (stainless steel and steel)
  • Glass beads
  • Aluminium oxide in various purities
  • Ceramic abrasive
  • Nutshells
  • Plastic
  • Sand (not regular sand due to the presence of free silicium dioxide)
  • Soda