Special Graphite

重庆百变王牌投注Keeping abreast of times, business markets demanded a finer grade carbon of more stable properties. Ahead of the rest of the industry, Toyo Tanso developed an "isotropic graphite" which is pressed by Cold Isostatic Press, having superfine isotropic microstructure. We have established world level technology that enables this isotropic graphite to fully exhibit its superior properties in the fields of nuclear power which requires high reliability, electrical discharge processing where accuracy is everything, and semiconductors which supports today's hi-tech wave.

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Feature of Special Graphite Products

The demand from industry over the years has been for carbon with increasingly tighter and stable properties. In this context, Toyo Tanso was the pioneer in our industry in developing "isotropic graphite". This is a graphite material with micro particles and an isotropic structure and properties which created through the cold isostatic pressing(CIP) of micro particles. Our isotropic graphite products are used across a wide field of industries. These include: the semi-conductor industry, where innovation is rapidly advancing; the environmentally friendly renewable energy industry; the mold industry, where accuracy is such a priority; and the atomic power industry, where high reliability is essential. Our excellence is recognized by our customers, with whom we grow together. The synergistic effect between our exclusive high purity technology and various coating technologies will ensure that in the future too, we use our position as a leading company to continue to unlock the unlimited potential of carbon.

Isotropic Graphite

Conventional graphite was anisotropic, which limited its use in many applications。 However, Isotropic graphite in the same cross section direction has no difference in its properties, making a material that is easy to design and use。

High Reliability

Isotropic graphite is stronger than conventional graphite due to its micro particle structure. This produces a highly reliable material with a small characteristic variation.

Ultra Heat Resistance

In an inert atmosphere, stable use is possible even in extremely high temperatures of 2,000℃ or more.
The material has low thermal expansion and a high coefficient of thermal conductivity, giving its excellent thermal shock resistance and heat distribution properties, with low thermal deformation.
It also has a special characteristic whereby its strength increases as the atmospheric temperature gets higher up until 2500℃.

Excellent Electrical Conductivity

The high and excellent heat resistance mean graphite is the optimum material for applications such as high temperature heaters.

Excellent Chemical Resistance

With the exception of some strong oxidizers, it is chemically stable. Carbon can be used stably even in environments that cause some metals to corrode.

Lightweight and Easy to Machine

The bulk density is low as compared with metallic materials-enabling a lightweight design。 In addition, it has excellent mechanical machining properties-facilitating accurate shaping processes。

■Graphite Feature (Experiment video)■

What is the characteristic of Graphite feature?

Isotropic Graphite and Anisotropic Graphite

Isotropic High Density Graphite


Anisotropic Graphite


Isotropic high density graphite is different from conventional graphite in that it is isotropic and has a micro particle structure, creating a very strong and highly reliable material with a small variation. This isotropic graphite material resolves the problems associated with conventional anisotropic graphite.


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