We all remember the many school supplies we had during our childhood. In our case, the eraser stood out, very useful in math, drawing or biology classes. This eraser is made up of two parts, the red (the most used) and the blue, of which no one really knows what it is for. But did you know why the two ends are different in texture and color?
Find out what this little-known function of the blue end of the eraser is
An eraser – Source: spm
What is the blue side of an eraser for?
The Duo-Gom two-tone eraser is manufactured by the French company Maped and has been present in school pencil cases for years. The pink end is used to erase penciled drawings and words, however the blue part is often misinterpreted. Many believe that it helps to erase the ink, but that idea is incorrect. According to our colleagues CNews, the blue end is designed for use on surfaces harder than regular paper, such as cardboard, upholstery, or walls. In other words, it is useful for erasing pencil lines on hard materials.
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Why does the eraser erase the pencil?
You have created a beautiful text or drawing using a pencil, but unfortunately there is an error, a word or a line too many. Fortunately, an eraser can solve this problem. But how exactly does it work?
The eraser, made of rubber, is capable of removing the carbon particles deposited on the paper by the pencil. When using the eraser, the graphite particles break off the paper and stick to the eraser, forming black shells. However, it is important not to erase too much to avoid damaging the paper.
Why is this blue and pink eraser still being sold?
The two-color eraser is mainly used for the pink part, which is used to erase pencil drawings and words. The blue part is used less because it is designed to be used on harder surfaces like cardboard, upholstery, or walls. However, why does the Maped brand continue to market this dual-use eraser? According to the brand, this is for marketing reasons, as parents buy this eraser as a priority for its symbolic status as an object associated with school and a memory of their childhood.
Pencil on the wall – Source: spm
The reactions of Internet users after this discovery
People were very surprised when they found out what the blue part of the eraser was for. These are the reactions of some of them on this issue:
“I always thought that the blue part prevented the eraser from finishing completely and allowed me to hold it firmly”
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Another user said: “I thought the pink side was to erase pencil marks and the blue was to erase eraser marks left by the red part. »
“I knew that the blue part was used to erase ink, but that it could also damage the paper,” said another netizen who was surprised by the reactions of those who only now discovered this detail.
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