Check out the image and see the difference between the three abrasive blasting media » 5 glass bead, mesh aluminum oxide grit, and 13 fine glass bead.Industries rely on abrasive blasting media as a trusted method to strip surfaces clean and restore them to their original glory. Here, machines hurl media like sand, steel grit, pulverized walnut shells, or glass beads at surfaces with a force to remove away the old layers. These media particles crash into rust and peeling paint and remove them from the surface.