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Matomaru-kun
A Long-selling Plastic Eraser by Hinodewashi
Date:17, May, 2019
Investigated and Written by Misaka Youhei
About our introductory articles


What is "Matomaru-kun?" you might ask if you have never been to Japan. It is a plastic eraser produced by Hinodewashi, a stationery company in Tokyo. Look below before everything, please.



Matomaru-kun (White)
No.: MM-100-B
Price: 100 yen + tax

You have not heard Hinodewashi, have you? They began to manufacture rubber products in 1919 (2019 is their 100th anniversary!) Tokyo. After World War 2, they have worked as a leading company in Japan's eraser field. By the way, Hinodewashi means an Eagle with Rising Sun in Japanese language.

They first produced and launched Matomaru-kun in 1986. From the time on, it has been popular, mainly among Japanese children who go to school. Rare is a Japanese adult who uses Matomaru-kun? Of course, you can find a few who use at their workplaces or homes, but probably not so many as the children.

Matomaru means Being United in Japanese language. Using Matomaru-kun, you can see the eraser crumbs get together and adhere to the eraser. Why on earth do they stick? Most of plastic erasers, not only Matomaru-kun, include plasticizer. Adding some heat to it, you can find a plastic eraser stick to another plastic product. Have you ever seen a plastic eraser stick to a plastic ruler in a pencil case when it was very hot? Anyway, using the principle, Matomaru-kun make the dust adhere by the friction heat. I'm kind of unsure because I'm not so familiar with chemistry.



Kira-kira Matomaru-kun (White)
No.: MMP-100-B
Price: 100 yen + tax

Today there are a variety of Matomaru-kun for children. How do you feel at the erasing? I'm unsure again, because it all depends upon you. Nothing but using tells. Why don't you ask a Japanese child who has the eraser to let you use it if you can?


Hinodewashi (Japanese)





 

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