The raw materials of erasers are rubber or plastic, sulfur, vegetable oil, and gravel.

From 1770 when the eraser began to be born to date, with many choices, and indispensable role of stationery, by everyone's favorite, brought by Columbus across the Atlantic Ocean, a small rubber ball, transformed into an eraser, across seven oceans to the world.

The eraser can erase pencil marks, correct typos, and now there are also can erase pen marks, some erasers made very beautiful, can be used as a handicraft can also be used as a gift to give people, but also can erase shoes, cars and other things on the black road road.

Extended Information:

Erasers can erase traces of graphite or ink. Erasers come in a wide variety of shapes and colors, including ordinary scented erasers, art-specific erasers for drawing and painting models such as 2B, 4B and 6B, and plastic erasers.

The eraser can erase pencil words, is the British scientist Priestley first discovered in 1770. Before that, people were using bread to erase pencil words.

In 1858, a man from Philadelphia, USA, because of the eraser embedded in the end of the pencil and obtained a patent, but later this pencil with an eraser because it was judged to be "just two existing things embedded together rather than a new product" and was canceled the patent.

The eraser is made of rubber or plastic, sulfur, vegetable oil, and gravel.

Quite a few car owners always for the car door on the shoe prints feel troubled, shallow interior certainly looks good, but the door interior and other parts of the door is always less than their own or passengers do not pay attention to rub down the shoe prints. With a variety of cleaners have tried, shallow okay, but some obvious traces are very difficult to remove. Many car owners have also spent a lot of money to go to the car beauty center specifically to do the cleaning, not only the same effect is not ideal, in a few days the new shoe prints will be produced again.

For the shoe prints on the door panel, the eraser has a magical cleaning effect. Gently rub, and then stubborn shoe prints will disappear without a trace, and completely non-corrosive, the price is only 1/100 of the cleaner, while the volume is small, does not occupy space.

Baidu Encyclopedia - Eraser