Guide to Sandblasting Aluminum Wheels (and
· Sandblasting Pressure for Aluminum Surfaces. Some aluminum surfaces have thinner panels than other materials. To avoid warping during abrasive blasting, start with a relatively low pressure, 50 to 60 PSI, and increase as needed. For contained blasting, like in an abrasive blast cabinet, the size of the cabinet and blast nozzle will affect how much PSI you need to use. The larger the blast