Raw material for Spare Leads

The first was the sintering of the clay, which is the main raw material, the graphite and the binder, as well as the pencil core. However, it was not possible to obtain enough strength when the core d...

https://www.tombow.com/en/mamechishiki/s55/

History of Spare Leads

Since the release of the Eversharp in 1838, the Spare Leads was made of graphite clay (same as pencil core), with a core diameter of 1.0 and 1.5 mm length of about 30mm. However, in 1962, a 0.5 mm syn...

https://www.tombow.com/en/mamechishiki/s54/

Water-based inks are weak

In the Tombow Pencil , the pigment is used for the water-based ink. It may be blurring immediately after writing, but there is no worry blurring even if it is dry and wet....

https://www.tombow.com/en/mamechishiki/m53/

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 neutral ballpoint pen

The newest is this neutral ballpoint pen pen (Gel ink ballpoint pen ). It has been released from domestic manufacturers around 1984. As a new generation of ballpoint pen using the word neutral ink, ne...

https://www.tombow.com/en/mamechishiki/b49/

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/

English name of ballpoint pen

In the United States, the oily ballpoint pen Pen is called a ball point pen. The thing about the water-based ballpoint pen is called a roller pen. By the way, it is called K-gel Punkt shreiber in the ...

https://www.tombow.com/en/mamechishiki/b46/

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/

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 ...

https://www.tombow.com/en/mamechishiki/b41/

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...

https://www.tombow.com/en/mamechishiki/m39/

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/

History of marking

It is said that the marker which came in from the United States in 1949 is the beginning of the history of the oil marking. In the Tombow was released for the first time in Japan the water marking ca...

https://www.tombow.com/en/mamechishiki/m34/

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/

What is a marking pen?

First, when you think about what you call a marking, it is defined as a pen that is an ink storage body of batting or liquid type and that induces ink to tip nib by capillary phenomenon. And, the mark...

https://www.tombow.com/en/mamechishiki/m28/

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/

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/

Why is the lead broken

Same as pottery, the lead of a normal pencil is made strong and does not break easily. However, the lead might be broken by a sharpener with deteriorated blade, strong press to the hole of sharpener, ...

https://www.tombow.com/en/faq/14p/

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/

What to do when stained by water-based ink

In the case of skin Please wash it with soap immediately. 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/17b/

How to refill ink of marking pens

For Kei Coat marking pens and Kei Coat 80 marking pens, ink can be refilled by Kei Coat Charger....

https://www.tombow.com/en/faq/18m/

How to handle ink leak

■ Ink leak from the tip Try writing freely on paper to see if the ink sometimes gets heavy and light. The tip is made precisely, so be carefully not to drop or bump it, for the tip might get deformed...

https://www.tombow.com/en/faq/22b/

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/

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...

https://www.tombow.com/en/faq/26b/

How to erase the part written by ballpoint pens

There is a method of turning off the surface of the paper with the ink with the sand eraser etc. There is a method of erasing it by a correction tape etc. The method of decomposing the dye by erasing ...

https://www.tombow.com/en/faq/how-to-erase-the-part-written-by-ballpoint-pens/

How to store ballpoint pens

The ink deteriorates when placed at high temperature for a long time. Avoid placing ballpoint pens in places with high temperature and high. Please note that the ink stickiness becomes stronger at lo...

https://www.tombow.com/en/faq/28b/

How to handle the pipe on the tip

The pipe tip is an important part to mechanical pencils. Please note that it is not easy to return to the original position once bent....

https://www.tombow.com/en/faq/29s/

How to handle deformation of the tip pipe

The tip pipe may be deformed due to fall etc. Please note that the lead may not come out if it collapses to the cause of the core breakage when bending....

https://www.tombow.com/en/faq/37s/

Why is the lead very loose

When the lead becomes short and it does not hang to the chuck, the lead is held only by the tip pipe part, and it teetering. There is no wobble because it holds with two points of the pipe part and th...

https://www.tombow.com/en/faq/38s/

What to do when stained by oil-based marking pens [Namae Senka, Mono Twin]

In the case of skin It eliminated slowly. Please wash with soap immediately. It may not eliminate immediately, but it becomes easy to wash repeatedly, and to eliminate by bathing, etc. In the case...

https://www.tombow.com/en/faq/40m/