Before buying a sandblasting machine, you should choose the abrasive sand and the air pressure level. The air pressure of a sandblasting machine is a crucial factor, as it affects theoutcome of the project. A sandblasting machine should be able to deliver a consistent, uniform pressure. The sandblasting machine must also have a high-quality sandblasting nozzle.Before buying a sandblasting machine, be sure to understand the parameters that are important to you. The quality of a machine should be of a high standard. It should also be durable. Asandblasting machine that has a sturdy body should be durable. It should have a sturdy base. A sandblasting machine should have several wheels for mobility and stability. It should be able tomove around easily.