Sandpaper grit size explained

Release Date:2017-08-21 09:20

Sandpaper is a versatile tool that is used in a variety of applications. It is made up of abrasive particles that are adhered to a backing material, such as paper or cloth. The grit size of sandpaper refers to the size of the abrasive particles, with larger numbers indicating smaller particles. In this article, we will explore the uses of sandpaper with the grit sizes of P60, P120, and P400. 

P60 sandpaper has coarse abrasive particles and is typically used for heavy sanding and material removal. It is commonly used on rough surfaces, such as wood or metal, to remove paint, rust, or other coatings. This grit size is also useful for shaping and smoothing rough edges or uneven surfaces. However, it is important to note that P60 sandpaper can leave deep scratches on the surface, which will require further sanding with finer grits to remove. 

Sandpaper grit size explained

P120 sandpaper has medium abrasive particles and is often used for sanding between coats of paint or varnish. It is also useful for removing small imperfections on surfaces, such as scratches or blemishes. This grit size provides a good balance between material removal and surface smoothing, making it a popular choice for many applications. 

P400 sandpaper has fine abrasive particles and is used for final finishing and polishing. This grit size is commonly used on surfaces that require a smooth and even finish, such as automotive paint or furniture. P400 sandpaper can also be used to remove small imperfections left by coarser grits. 

In conclusion, the grit size of sandpaper plays a crucial role in determining its application. P60 sandpaper is ideal for heavy material removal, while P120 sandpaper provides a good balance between material removal and surface smoothing. P400 sandpaper is best suited for final finishing and polishing. By understanding the different uses of these grit sizes, you can choose the right sandpaper for your project and achieve the desired results.

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