The Right Sandpaper to Use to Sharpen Knives

All the tools, utensils and machines suffer normal wear and tear due to constant use. The same happens with knives; these items can lose its edge according to the length of its use, the materials you cut and the environment it is kept.

Sharpening a knife may seem like a simple task, but it requires care and knowing how to sharpen correctly.

Using sandpaper to sharpen knives is the best option since using tools such as a file or a grinder may damage the blade or reduce its size. However, if you pick the right sandpaper, it takes care of the job of discarding the edge wear and leaving it as good as new.

Also, you should know that not every sandpaper is ideal to treat a tool of this type if you want to provide proper maintenance.

The Correct Sandpaper For Each Knife

Using the wrong type of sandpaper, rather than helping to improve the cutting edge, could make it worse. It is why we recommend taking into account the following considerations:

  • If your knife is on an advanced state of deterioration such as containing rust or uneven surfaces, it requires thorough sanding. The type of sandpaper to choose should be water-based, with 180 grit.
  • If the knife only slightly lost its sharpness, an emery cloth sandpaper with aluminum oxide ore with 320 grain can be used, which will remove the remains of wear and start sharpening the tool.
  • If the knife still has a little bit of edge only stop cutting with the same quality as always, and you want to regain its potential, then you can use a 600 or 1000 grain water sandpaper with very fine granules. It will help to recover the little edge lost.

There is a wide variety of coarse-grained sandpaper, ideal for sanding surfaces with rust or rough and uneven surfaces. With a type of granulated sandpaper ranging from 36 to 180, this type of sanding can be started.

Sandpapers ranging from 180 to 360 grit are ideal for surfaces that are not rough, but that does need a little effort to recover them.

However, those ranging from 400 to 1000 have very fine granules that help to eliminate any slight irregularities and to polish the surface. It can also make it aesthetically pleasing with a new appearance.

Right Way to Sharpen Knives with Sandpaper

If you want to take care of the knife, you can tape the whole area of the blade and handle, leaving only the edge to be sharpened.

What you need:

  • One 180, 360 or 400 aluminum oxide mineral sandpaper per sheet, depending on the state of the knife.
  • One 600, 800 or 1000 grit sandpaper of aluminum oxide mineral per sheet.
  • A solid table or surface.

Step by Step Guide

Step 1

To start sanding the knife, take the sandpaper 360 or 400, leaving a part of it outside the edge of the table. Fold it to fit the shape of the side of the table (square shape is advisable).

Step 2

With one hand hold the sandpaper, and with the other, move the edge of the knife from the tip to the end of the blade slightly inclined and from the inside out. These first passes are made with dry sandpaper to get the best out of it. Little by little, you will notice the change in the texture of the blade; this can be confirmed by caressing the edge diagonally with the fingertip.

Step 3

After getting the desired edge, start using 600 or 1000 sandpaper. It is placed on the table, just as we did with the previous sandpaper, and repeat the operation. This sandpaper is so fine that it will remove the traces of scratches of the prior sandpaper and will leave the knife with an original shine and the desired sharpness.


Summary
Right Sandpaper to Use to Sharpen Knives
Article Name
Right Sandpaper to Use to Sharpen Knives
Description
Sharpening a knife may seem like a simple task, but it requires care and knowing how to sharpen correctly. If you pick the right sandpaper, it takes care of the job of discarding the edge wear and leaving it as good as new.
Author
Publisher Name
Jack Noelsson
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