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Types of Abrasives that can be used in the Grit Blasting Process.

 Grit blasting is an important processin most manufacturing industries as well as the real estate sector. The main reason for using grit blasting in the manufacturing sector is to clean the metal surfaces or workpieces so that further application could be done on them (like welding, analysing, or painting). When you need to clean hard surfaces like metals, then you would need stainless steel shots, aluminium shots, copper shots, cut wire abrasive media, and so on. However, if you need to clean softer surfaces, then you will need softer abrasive media. In this article, we will share with you some of the abrasives that you can use in the grit blasting process to get the desired results.

As you know, the abrasive grit blasting process is used as a surface preparation strategy for different needs like cleaning the surface of old paint, grease, or oxides of the metal. The process is very simple, wherein compressed air is utilised to project abrasive media on a surface to either clean it or adjust the surface properties.

Some of the important abrasive media used for Grit blasting

There is no single media that is used all over the industry for the Grit blasting process. The selection of the abrasive media for this process is contingent upon the surface that needs to be cleaned as well as the application. While steel wire cut shots are very popular for cleaning hard surfaces, there are others as well which are used to clean different surfaces such as Stone Grit, crushed Glass, Walnut shells, Bicarbonate of Soda, and so on. Here we will talk only about four main abrasive media that are widely used in the industry to clean or prepare the surface for further application.

Garnet

It is an aluminium oxide that has a semi-precise structure and you can obtain it in multiple estimating grades depending upon your requirement. It is widely used in many metal industries for it gives amazing results.

Aluminium oxide

This is slightly different from the Garnet and you get it from high-grade aluminium. As this media is harder than Garnet, it can be used multiple times to achieve incredibly good results. This media is used for shoot cleaning in the steam turbine.

Glass bead

This abrasive media made up of soda lime is excellent in cleaning surfaces and giving them a shine finish. It is also used to clean some sensitive parts of the gas turbine which could get damaged if you use steel shot abrasives.

Chilled iron

As the name suggests this is an iron abrasive that is used due to its forceful properties as well as high recyclability rate that makes it cheaper in the long run.

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More Resource: 

- The Main Difference Between Shot Peening and Shot Blasting.

- Is shot blasting the ideal way to clean steel surfaces?

- What are the applications of steel wire cut shots?

- Shot blasting is the best way to get the perfect metal finish.

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