Shotblasting and sandblasting are two different techniques used to clean and prepare surfaces for painting or other coatings.
Key Takeaways:
- Shotblasting uses small steel balls or “shot” that are propelled at high speeds to remove paint, rust, and other debris from a surface. This method is typically used on metal surfaces such as bridges, tanks, and ships. It is also used to create a roughened surface on concrete or other materials.
- Sandblasting, on the other hand, uses sand or other abrasive materials that are propelled at high speeds to clean a surface. This method is typically used on hard surfaces such as brick, stone, and glass. It can also be used to etch designs into surfaces or to remove graffiti.
- Both shotblasting and sandblasting can be done by hand using a portable blasting gun or by using a machine that automates the process. The choice of method will depend on the surface being cleaned, the desired finish, and the equipment available.
In summary, shotblasting uses small steel balls and is mainly used on metal surfaces to remove paint, rust and other debris. While Sandblasting uses abrasive materials and is mainly used on hard surfaces like brick, stone and glass for cleaning and etching.
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