Wiki / WATER JETTING WITH ABRASIVE INJECTION

Using water at high pressure (10,000 to 25,000 psi [68.95 to 172.38 MPa]) or ultra high pressure (greater than 25,000 psi [172.38 MPa]) with abrasive injected into the water stream to remove paint, rust, and mill scale, and impart a profile on a metal surface.