Blast Media, Abrasive Media Type: Glass Beads, Grit: Not Rated, Container Size: 50 lb, Compatible Mesh Size – Minimum: 170, Compatible Mesh Size – Maximum: 325, Compatible Blast Pressure – Minimum: 10 psi, Compatible Blast Pressure – Maximum: 100 psi, Container Type: Pail, Particle Diameter – Minimum: 45 micron, Particle Diameter – Maximum: 90 micron.