Blast Media, Abrasive Media Type Ground Glass, Grit Not Rated, Container Size 50 lb, Compatible Mesh Size - Minimum 40, Compatible Mesh Size - Maximum 80, Compatible Blast Pressure - Minimum 60 psi, Compatible Blast Pressure - Maximum 100 psi, Number of Cycles - Minimum 1, Number of Cycles - Maximum 2, Container Type Box, Particle Diameter - Minimum 212 micron, Particle Diameter - Maximum 425 micron