Advantages of ballpoint pen

It is a ballpoint pen pen that uses the Writing ball as a pen tip, but why is it widely used worldwide? ○ Omni-Directional: vertical, horizontal, and naname because it can be written smoothly in any ...

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Variety of pigment

Dye or pigment is used in some stationery. To briefly explain the difference, dyes are like sugar water in which color particles are dissolved in a liquid, and pigments are like ink liquid in which c...

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Writing distance

The writing distance varies depending on the type, but it is said that the longest writing is about 1000m in a fine pen and about 100 to 150 m of the highlighter when becoming short. The pen tip and t...

https://www.tombow.com/en/mamechishiki/%e7%ad%86%e8%a8%98%e8%b7%9d%e9%9b%a2/

Why pencils are used in elementary schools

In the Ministry of Education, we are promoting the transcription of hard general writing to 3 from small to medium, so that we can "write Japanese easily, clearly and efficiently." In order to do this...

https://www.tombow.com/en/mamechishiki/p26/

How far is the pencil written?

The writing distance that can be written in one pencil (HB) is about 50km. It is an overwhelming long distance and economical compared with other Writing instruments. However, the written load is set...

https://www.tombow.com/en/mamechishiki/p25/

About JIS of pencil

Pencil JIS was established in 1951 and has contributed to the improvement of pencil quality in Japan for about 50 years, but in 1998 the item designation was canceled as part of the deregulation and i...

https://www.tombow.com/en/mamechishiki/p24/

Core differences

The difference in the core is mainly in the grain size of graphite and clay, in other words, the technique and nerves are used for grinding, refining and processing of raw graphite as a high-grade cor...

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Pencil Price Difference

There is a price difference in a pencil first, it depends on the difference of the core. The difference in the core is mainly due to the granularity of graphite and clay, or fineness. There is a diffe...

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About the types of colored pencils

Separating the colored pencils from the shape is divided into the one that the entire tree axis, the paper winding, and the axis are the core. Although the wooden axis colored pencil is a very common...

https://www.tombow.com/en/mamechishiki/p18/

What is the degree and concentration of the core?

It is a symbol from 6B to 9H representing the thickness and hardness of the pencil core. The core of the pencil is from stiff to soft, depending on the proportion of graphite and clay, for example HB ...

https://www.tombow.com/en/mamechishiki/p16/

Color Pencil Core Ingredients

The core of the colored pencil is made of coloring, extender pigment and wax. Looking from the ingredients, it is oily. After you draw a picture with colored pencils, you can dissolve the water by mel...

https://www.tombow.com/en/mamechishiki/p15/

A tree used for pencils

Pencils are mainly used in North American incense Cedar (Hinoki). Wood is a natural recycling resource and environmentally friendly material. Trees used for pencils are also planted and managed well....

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Clay used for the core of a pencil

Pencils use Germany clay. Although the clay can be taken Japan, there is plasticity suitable for the molding of the pencil core, the crystallization proceeds at a relatively low temperature, the physi...

https://www.tombow.com/en/mamechishiki/p13/

Graphite used for the core of a pencil

Graphite (graphite graphite) is also known as a stone ink and is naturally produced as a companion of Diamond and Coal (allotrope). Unlike the same fellow coal, it has a layered structure and is slipp...

https://www.tombow.com/en/mamechishiki/p12/

The inventor of the pencil with rubber

In 1858, an American Mr. Lippmann was invented with a rubber pencil. He thought that the eraser which had been put Plastic Eraser on by the side during the drawing disappeared soon, and it was trouble...

https://www.tombow.com/en/mamechishiki/p09/

History of the pencil industry

In the Meiji era, a civilization enlightenment was created, and it was imported in large quantities. In 1885, 25,750 Gross, and in Meiji 38, statistics that were imported about ten times remain. The ...

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History in pencil Japan

It is said that the oldest pencil in the Japan was presented to Tokugawa Ieyasu and was used. It is now stored in the Toshogu Shrine of Kunnoh Mountain. It is said that Ieyasu actually used it, but i...

https://www.tombow.com/en/mamechishiki/p06/

History of pencil paper

An epoch-making manufacturing method such as a paper pencil was born by the climate not caught in the tradition and the history of the United States. At that time, the tree which suited the pencil was...

https://www.tombow.com/en/mamechishiki/p05/

History of the pencil axes

The age only of the stone ink seems to have used the lump of thinly sharpened graphite by using the thread and the wire, and sandwiching it by the board of the tree, and covering it with something lik...

https://www.tombow.com/en/mamechishiki/p04/

History of the Pencil core

Graphite (graphite) was discovered in the Cumberland Mountains of the Elisa Vèbes in 1564, England. In the beginning, the vein was dug up, and the improvement research was advanced although the graphi...

https://www.tombow.com/en/mamechishiki/p02/

The etymology of a pencil

The core made of graphite and clay is called "pencil" in the Japan the thing which sandwiched with the tree. In English it is wood cased pencil, and it is pencil to omit it in the Japan. It is though...

https://www.tombow.com/en/mamechishiki/p01/

When you want to peel off the glue

The ingredients of the glus become soft when it is exposed to the steam of the hot water boiled in the kettle. Peel it slowly when it becomes soft....

https://www.tombow.com/en/faq/when-you-want-to-peel-off-the-glue-2/

How to use PiT Multi

PiT Multi is multipurpose liquid glue that can be used as strong glue before getting dry and a temporary tape when dried.It was released in 1986 as a completely new office adhesive. As it is made of w...

https://www.tombow.com/en/faq/04g/

Concept of Tombow

Tombow is at your side, always. If stationery had not been by the side of people, neither verses of famous poems nor the world-changing inventions might have ever been born. If station...

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Corporate

About Tombow Company Profile Message from CEO Company Histo...

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What is the time limitation of pencils

The barrel and the lead of pencils do not get rotten, but pencil's condition gets worse in extremely dry or humid environment. The better the storage state, the more semi-permanently available. The ol...

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Why does the written part get dirty after erasing

The theory of pencils is that as the lead touches the surface of paper, its black powder adheres on the paper and remains as handwriting. It is possible to erase the lead powder by erasers, but please...

https://www.tombow.com/en/faq/11p/

How to refill the cartridge

 ...

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Why does the part written by colored pencils get whitened

The lead material of colored pencils contains a lot of wax. As the wax part gets pushed out to the surface, the tiny grains from the surface makes the written parts white. It is natural for wax to go ...

https://www.tombow.com/en/faq/19p/

Why is the writing line uneven

Ink on the surface of the ball of the tip is transcribed into paper and written. The ink which remains without being transcribed is returned to the chip, but when the tip part is garbage or it is defo...

https://www.tombow.com/en/faq/23b/

Why does the writing line become multiple

The gap between the ball and the holder of the nib is created uniformly. When the holder is deformed by dropping or beating, and only a part narrows, ink does not get on the surface of the ball and is...

https://www.tombow.com/en/faq/25b/

How to write with ballpoint pens

■ For upward writing For ballpoint pens, ink on the surface of the ball at the tip of the ball is transferred to the paper and written. The ink is fed by gravity from the tank (in the pipe). If the p...

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