Blast Media Abrasive Media Type Coal Slag Grit 24 Container Size 80 lb Compatible Mesh Size - Minimum 12 Compatible Mesh Size - Maximum 20 Compatible Blast Pressure - Minimum 80 psi Compatible Blast Pressure - Maximum 100 psi Number of Cycles - Minimum 1 Number of Cycles - Maximum 2 Container Type Bag Particle Diameter - Minimum 425 micron Particle Diameter - Maximum 1 700 micron