Blast Media Abrasive Media Type Brown Aluminum Oxide Grit 180 Container Size 50 lb Compatible Mesh Size - Minimum 170 Compatible Mesh Size - Maximum 170 Compatible Blast Pressure - Minimum 60 psi Compatible Blast Pressure - Maximum 100 psi Number of Cycles - Minimum 6 Number of Cycles - Maximum 8 Container Type Bag Particle Diameter - Minimum 53 micron Particle Diameter - Maximum 90 micron