What material is the eraser made of and how can it perform the erasing process so perfectly? We examine it in this content.
”The world’s most life saving If we ask, “What is one of the inventions?”, someone will definitely say the eraser.
It was an indispensable part of our pencil cases, especially during our student years. dustercan be made from different materials.
The type of material used also determines the quality of the eraser.
We can say that it is the most successful among them in terms of performance. plastic or vinyl erasers, It is made of synthetic materials and is usually white in color. These erasers have a softer structure and wear out the paper less.
What we see more often in stationery stores rubber erasers It is produced from a mixture of natural rubber, sulfur and some fillers. Although they are not as successful as vinyl erasers, they are very effective in erasing pencil marks.
So how can erasers erase?
The eraser interacts with the writing on the paper through friction. When we write, graphite (the main component of the pencil tip) adheres to the paper in a thin layer. Here’s the eraser friction It separates these graphite particles from the paper surface.
Thanks to the stickiness on the surface of the eraser, it allows materials such as graphite or ink to stick to the eraser when it is erased, which we will remember from our student years. eraser trash is formed.
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