About the color Spare Leads

There are two kinds of color Spare Leads . The same as colored pencils, a non-calcined core made by extrusion molding of pigments, waxes and resins, and boron, talc, mica, and clay minerals are formed...

https://www.tombow.com/en/mamechishiki/s58/

How to make a Spare Leads

The Spare Leads is made through the process of mixing → kneading → extrusion molding → firing → immersion oil → cutting → packaging. It is kneaded by a roll to increase the affinity of the graphite an...

https://www.tombow.com/en/mamechishiki/s56/

Ink Life

■ Oily ink In JIS, it is possible to write out well even after 15 months from the date of manufacture. The product of the Tombow is guaranteed 24 months. Because there is a lot sign in the wick, it b...

https://www.tombow.com/en/mamechishiki/m51/

Ink raw Materials

■ Oily ink Dye + solvent + resin is a basic configuration. This is almost the same as the composition of the marker, but the viscosity is different (viscosity of starch syrup and honey position). ■ ...

https://www.tombow.com/en/mamechishiki/m50/

History of water-based ballpoint pen

The history of the water-based ballpoint pen was branched from the oily ballpoint pen , and it was started in 1964 by auto company. After that, the improvement was made, and it was released from the d...

https://www.tombow.com/en/mamechishiki/b48/

History of oily ballpoint pen

Development as a practical thing is the beginning to have been conceived in Hungary in 1943. In fact, the history of ballpoint pen is only sixty years. In 1944 the following year, the Eversharp Compan...

https://www.tombow.com/en/mamechishiki/b47/

How to fit the ball

It is a very small ball, and it is very strange why it is turning well without falling below. To make a chip, a thin wire-shaped metal is cut in a cylindrical shape, the end is truncated to a conical ...

https://www.tombow.com/en/mamechishiki/b44/

The life of the written character

Oil is said to have more than 50 years when it is a normal storage state as a document. At present, it has been more than 50 years after the release of ballpoint pen , but the documents of those days ...

https://www.tombow.com/en/mamechishiki/b42/

Water resistance of water-based ink

It is possible to have some degree of water resistance even if it is aqueous, though not as oily. The secret lies in the pigment, and it can be said that the pigment is more water resistant than the ...

https://www.tombow.com/en/mamechishiki/m40/

The ink of one of the twin tip disappears first.

For a batting twin, a thin core may not be able to be written first, regardless of which nib you are using. This is because the capillary power of the two nib is different, the ink in the batting is ...

https://www.tombow.com/en/mamechishiki/m37/

Why fluorescent ink looks fluorescent

As can be seen from being a highlighter when expressed in English, it is possible to show the color more vividly by converting the light by sunlight and illumination to the wavelength of a certain lig...

https://www.tombow.com/en/mamechishiki/m35/

The difference between a marker and a sign pen

There is no definite definition, but generally it is called a marker, the thing with the direction of the line width of 1mm or less and the one with the direction with a line width of more than 1mm is...

https://www.tombow.com/en/mamechishiki/%e3%83%9e%e3%83%bc%e3%82%ab%e3%83%bc%e3%81%a8%e3%82%b5%e3%82%a4%e3%83%b3%e3%83%9a%e3%83%b3%e3%81%ae%e9%81%95%e3%81%84%e3%81%af/

The marking pen is a Writing of the pressure “zero”

Unlike ballpoint pen and the like, the marking uses a capillary phenomenon, and the pen tip is also responsible for its function, so you hardly need pressure when writing. Because the core is relative...

https://www.tombow.com/en/mamechishiki/m32/

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/

About liquid-type ink Induction

The liquid type is often thought that the ink is only coming out as it is unlike the batting type, but the relay core is still necessary. The ink stored in the bellows is guided sequentially to the co...

https://www.tombow.com/en/mamechishiki/m30/

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/

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...

https://www.tombow.com/en/mamechishiki/%e9%89%9b%e7%ad%86%e3%81%ae%e4%be%a1%e6%a0%bc%e5%b7%ae/

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/

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/

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...

https://www.tombow.com/en/concept/

Corporate

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

https://www.tombow.com/en/corporate/

What is the replacement cartridge list

...

https://www.tombow.com/en/faq/07c/

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...

https://www.tombow.com/en/faq/08p/

How to refill the cartridge

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https://www.tombow.com/en/faq/09c/

What is the replacement cartridge list

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https://www.tombow.com/en/faq/10e/

How to refill the cartridge

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https://www.tombow.com/en/faq/12e/

What is the replacement cartridge list

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https://www.tombow.com/en/faq/13g/

How to refill the cartridge

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https://www.tombow.com/en/faq/15g/

What to do when stained by oil-based ink

In the case of skin Please wash it with soap immediatery. It may not remove immediately, but it is washed repeatedly, and it remove gradually by bathing, etc. In the case of paper The ink penetrate...

https://www.tombow.com/en/faq/16b/