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Pneumatic blasting

Blasting process where an abrasive supported by compressed air is ejected toward the workpiece to clean its surface.

Illustration of Pneumatic blasting

The process

An abrasive is supplied along with compressed air and accelerated when it passes through the blast nozzle. The particles are thrown thereby onto the workpiece surface and thus removes impurities.

Advantages and disadvantages
In comparison with alternative methods
Inexpensive equipment
Easy to use
Requires blasting cabinets alternatively respiratory protection due to dust.