Glass Bead Blasting Media

About glass bead blasting media

Glass beads have been suggested for air abrasion as a softer material than sharp, hard alumina. The same paper notes that alumina air abrasion leaves surface defects such as flaws, embedded alumina and microcracks.

Softer than alumina.

Sources: Zirconia surface conditioning: alumina and glass-bead air abrasion compared (Sci Rep 2023)