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Shot Blasting vs Grit Blasting: What Are the Differences?

 Shot blasting and grit blasting are two common methods used for surface preparation and cleaning in various industries such as construction, automotive, aerospace, and manufacturing. While both methods are similar in principle, there are some key differences that set them apart.

Shot blasting

Shot blasting is a process in which small metallic or non-metallic balls, also known as shot, are propelled at a high velocity onto a surface to clean or prepare it. The shot is typically made of steel, cast iron, or stainless steel, and is used to remove rust, scale, old coatings, and other contaminants from surfaces. The process is usually done in a closed system to minimise dust and noise.

Grit blasting

Grit blasting uses abrasive materials such as sand, aluminium oxide, or silicon carbide to clean or prepare surfaces. Unlike shot blasting, grit blasting is not limited to metallic surfaces and can be used on a wide range of materials, including concrete, brick, and stone. It is also used to remove surface imperfections and to create a textured surface for better adhesion of coatings and paints.

The difference between shot and grit blasting

One of the key differences between shot blasting and grit blasting is the type of surface finish that each method produces. Shot blasting typically leaves a smoother and more polished surface finish, which is suitable for applications that require a high-quality finish, such as metal furniture or automotive parts. Grit blasting, on the other hand, produces a coarser and more textured surface finish, which is ideal for applications where a rougher surface is needed for better adhesion, such as in industrial flooring or marine coatings.

The cost is another factor that distinguishes shot blasting from grit blasting. Shot blasting is generally more expensive than grit blasting, as it requires specialised equipment and materials. Grit blasting, on the other hand, is relatively cheaper and can be done using simple equipment such as sandblasting guns.

While both shot blasting and grit blasting are effective methods of surface preparation and cleaning, they have distinct differences that make them suitable for different applications. Ultimately, the choice between the two methods depends on the specific requirements of the application and the budget available.

Shot Blaster Machine Supplier in Australia

Bliss and Reels is a well-known and reputable supplier of shot blasting machines in Australia. We offer a wide range of shot blasting equipment. Our products are suitable for various industries such as construction, aerospace, automotive, and manufacturing, and we provide reliable and efficient solutions for surface preparation and cleaning.

Suggested Read:

https://medium.com/@blissandreels/are-you-familiar-with-the-steel-pipe-shot-blasting-machine-1aaa05c433c5

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Location: 1 2/10 Enterprise Dr, Bundoora VIC 3083, Australia

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