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Tips 2025-02-11 16:22:46

Apply toothpaste on the blade

1. Why can toothpaste sharpen knives?

Toothpaste is often used by many people to clean metal objects to make them shiny again. The reason is that the main ingredient of toothpaste is fluoride, which has the effect of polishing metal, dulling and etching glass.

In addition, toothpaste also contains abrasives (RDA) that help soften and remove rust on the blade, making the knife much sharper.

2, How to sharpen a knife with toothpaste?

Items needed to sharpen a knife include:

- Toothpaste

- Cleaning cloth

- Salt

- Porcelain plate.

How to sharpen a knife with toothpaste

Step 1: Apply toothpaste to the front of the blade. Use a clean cloth to apply the toothpaste evenly on both sides of the blade.

Step 2: Take a porcelain plate, turn it upside down. Put 1 teaspoon of salt and 1 teaspoon of white vinegar on the bottom of the plate and spread it evenly with your hand.

toothpaste on knife1
Step 3: Place the knife blade covered with toothpaste on the bottom of the plate and tilt it 25 degrees and pull it down gently.

Step 4: Sharpen each side of the knife for about 5 minutes, your knife will be as sharp as new.

If you don't have a knife whetstone at home, you can use the above tips to sharpen and polish your knife with just toothpaste and a ceramic bowl or plate.

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