but [Ted] shows that it can also be done with the help of an abrasive and mineral oil. Aluminum doesn’t solder well, and that’s because of the oxide layer that rapidly forms on the surface.

Typically, these alumina abrasives are used in sand blasting, polishing, and surface preparation. For example, aluminum oxide grit powder is used to clean engine heads, valves, pistons, and turbine ...

The abrasive grains most commonly used in air systems are aluminum oxide or silicon carbide. Blending & Intermediate Cutting Abrasive products are designed for blending or removing parting lines, ...