東京炭素工業 List of Products and Services

In the automotive parts manufacturing industry, the durability and heat resistance of trays are crucial during the firing and heat treatment processes of metal and ceramic components in high-temperature environments. In particular, achieving a uniform temperature distribution within the furnace and minimizing thermal impact on the components significantly affects product quality. Carbon and graphite trays address these challenges and support the production of high-quality parts. 【Usage Scenarios】 - Firing and heat treatment processes for engine parts, brake parts, exhaust system parts, etc. - Transporting components within high-temperature furnaces and vacuum furnaces - Improved wear resistance and corrosion resistance through special coatings 【Benefits of Implementation】 - Extended lifespan of trays due to high heat resistance and durability - Enhanced product quality through uniform temperature distribution - Provision of optimal sizes and shapes through custom-made solutions

• Processing Contract

In the metal heat treatment industry, particularly in the quenching process, trays that can withstand high temperatures and enable uniform heat treatment are required. The material and shape of the trays are crucial factors that influence product quality. Carbon-graphite trays excel in thermal conductivity and heat resistance, contributing to the improvement of product quality in the quenching process. Our products can be customized to meet customer needs. 【Usage Scenarios】 - Transporting products during the quenching process - Holding products in high-temperature environments - Use in vacuum furnaces 【Benefits of Implementation】 - Achieving uniform heat treatment - Improving product quality - Extending the lifespan of trays

• Processing Contract

In the semiconductor industry, accurate transport under high-temperature conditions is essential to maintain the quality of wafers. Particularly during the thermal processing stage, it is crucial to heat the wafers uniformly and prevent distortion. The use of inappropriate trays can lead to wafer damage or performance degradation. Our graphite trays utilize high-quality graphite materials that excel in heat resistance and chemical resistance, ensuring the safe transport of wafers. 【Usage Scenarios】 - Wafer transport in high-temperature furnaces - Wafer transport in vacuum furnaces - Wafer holding during thermal processing 【Benefits of Implementation】 - Reduced risk of wafer damage - Increased efficiency in thermal processing - Improved product quality

• Processing Contract

We handle "Graphite Round Bars (TTRB)" that are cut from artificial graphite blocks, chamfered, and finished into a round shape. Since graphite (carbon) rarely comes in standard sizes like metals, we cut it from artificial graphite blocks with a black skin and finish it to the specified shape and dimensions. Dimension tolerance specifications are also available as an option. We handle each size on a per-piece basis, so please contact us first. 【Specifications (partial)】 ■ Material: Graphite CIP material (isotropic graphite) with carbon content of 99.9% or higher ■ Finish: Centerless finish ■ Tolerance ・ Outer diameter: ±0.05 ・ Length: ±1.0 *For more details, please download the PDF or feel free to contact us.

• Processing Contract

The "Graphite Flat Plate (TTFP)" is a product made from isotropic graphite material that exhibits minimal variation in strength across all surfaces. Since graphite (black carbon) rarely comes in standardized or fixed sizes like metals, it is cut from artificial graphite block material with a black skin and finished to the specified shape and dimensions. The plate thickness is surface-ground, and the outer shape is finished by milling or vertical machining. Please contact us for inquiries. 【Specifications (partial)】 ■ Material: Graphite CIP material (isotropic graphite) with carbon content of 99.9% or higher ■ Tolerances - Plate thickness: ±0.05mm - Outer shape: ±0.5mm ■ Options: Specification of dimensional tolerances *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce our 'Graphite Screw (TTST)' made from isotropic graphite materials that we handle. It is suitable for mechanical joining of graphite components, and we accept orders in units of one for each size. Additionally, you can specify the nominal length (underhead length) as an option. Since graphite (carbon) does not have standard sizes or fixed lengths like metals, we cut it from artificial graphite block materials with a black skin and finish it to the specified shape and dimensions. Please contact us when you need to place an order. 【Specifications (partial)】 ■ Material: Graphite CIP material (isotropic graphite) with carbon content of 99.9% or higher ■ Standard sizes - M6×1.0 Nominal length (underhead length): 45mm - M8×1.25 Nominal length (underhead length): 45mm - M10×1.5 Nominal length (underhead length): 45mm *For more details, please download the PDF or feel free to contact us.

• Processing Contract

The "Graphite Crucible (Harsliner)" is a graphite crucible with a carbon purity of 99.9% or higher. High-purity and ultra-high-purity treatments are available as options. Custom-made products can be ordered from a single piece. Please consult us if you have specific material requirements. 【Features】 ■ Material: Graphite CIP material (isotropic graphite) with carbon content of 99.9% or higher ■ Size: Minimum diameter of 3mm; maximum size is subject to consultation ■ Surface roughness can also be specified ■ Tolerance: JIS general intersection intermediate ■ Options: High-purity treatment and ultra-high-purity treatment *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce a case study of the "trays for high-temperature furnaces and vacuum furnaces" that we processed. The material is graphite carbon, consisting of isotropic graphite CIP material, extruded material, and CC composite. Since we operate on a completely made-to-order basis, we can meet various customer needs in terms of quantity, size, and shape based on drawings. We also accept orders for related furnace interior components (connection rings, heaters, walls, insulation materials, etc.). Please feel free to contact us when you need our services. Characteristics of Graphite: ★ Excellent thermal properties ★ Conducts electricity (conductive) ★ Lightweight and easy to process ★ Chemical resistance ★ Self-lubricating ★ Various coatings are also possible *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce a case study of the "heaters (elements) for high-temperature furnaces and vacuum furnaces" that we processed. The material used is graphite, specifically CIP material and extruded material (tailored to resistance values). Please feel free to contact us when you need our services. Characteristics of Graphite: ★ Excellent thermal properties. ★ Conductive (electricity-conducting). ★ Lightweight and easy to process. ★ Resistant to chemicals. ★ Self-lubricating. *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce a case study of the processing of "terminals and connecting plates for high-temperature furnaces and vacuum furnaces" that we conducted. The material used is graphite, specifically CIP material and extruded material. Please feel free to contact us when you need assistance. Characteristics of Graphite: ★ Excellent properties against heat. ★ Conductive (electricity-conducting) ★ Lightweight and easy to process ★ Chemical resistance. ★ Self-lubricating. *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce a case study of the "mold for diamond tools" processed by our company. The material is graphite carbon, consisting of isotropic graphite CIP material or a set of middle plate CIP/extruded outer ring. Please feel free to contact us when you need assistance. Characteristics of Graphite: ★ Excellent properties against heat. ★ Conducts electricity (conductive). ★ Lightweight and easy to process. ★ Resistant to chemicals. ★ Self-lubricating. *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce a case study of "punch and pressed gaskets" processed by our company. The material is graphite carbon, specifically isotropic graphite (CIP material). Please feel free to contact us when you need assistance. Characteristics of Graphite: ★ Excellent properties against heat. ★ Conducts electricity (conductive). ★ Lightweight and easy to process. ★ Resistant to chemicals. ★ Self-lubricating. *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce a case study of "graphite bolts and nuts" that we processed. The material is graphite carbon, consisting of isotropic graphite CIP material, extruded material, and CC composite. Please feel free to contact us when you need our services. Characteristics of Graphite: ★ Excellent properties against heat. ★ Conducts electricity (conductive). ★ Lightweight and easy to process. ★ Resistant to chemicals. ★ Has self-lubricating properties. *For more details, please download the PDF or feel free to contact us.

• Processing Contract

In the mold industry, high-precision product manufacturing is a crucial factor that influences product quality and efficiency. Particularly in the manufacturing of precision tools like diamond tools, the accuracy of the molds significantly affects the final product. Even slight deviations in dimensions or surface roughness can lead to decreased tool performance and shortened lifespan. Our products utilize graphite-carbon materials and are crafted with the skills of artisans to achieve high-precision molds. 【Application Scenarios】 - Diamond tool manufacturing - Precision mold manufacturing - High-precision parts manufacturing 【Benefits of Implementation】 - Realization of high-precision products - Improvement in product quality - Increased yield

• Processing Contract

In the jewelry industry, there is a demand for diverse designs and high-quality finishes. Particularly, when precisely processing hard materials like diamonds, the accuracy of the tools is crucial. The precision of the tools significantly affects the quality of the final product. Our graphite-carbon processing case, which is a mold for diamond tools, leverages the skills of artisans and the properties of materials to support the precise processing of jewelry. 【Usage Scenarios】 * Processing hard materials like diamonds * Processing complex-shaped jewelry * Manufacturing jewelry that requires high-quality finishes 【Benefits of Implementation】 * Improved product quality due to enhanced tool precision * Adaptation to diverse designs * Cost reduction through high durability

• Processing Contract

In the semiconductor manufacturing industry, securing components in high-temperature environments is essential. Particularly for components that are susceptible to thermal expansion and contraction, stable holding power and heat resistance are crucial. Conventional metal bolts and nuts may face issues such as strength degradation and corrosion due to oxidation at high temperatures. Our graphite bolts and nuts possess excellent heat resistance and chemical resistance, providing stable performance even in high-temperature environments. 【Application Scenarios】 - Securing furnace walls within semiconductor manufacturing equipment - Securing trays in high-temperature environments - Other component securing in high-temperature environments 【Benefits of Implementation】 - Ensuring stable holding power in high-temperature environments - Extending the lifespan of components - Improving equipment operational rates

• Processing Contract

In the chemical plant industry, the durability of components used in highly corrosive environments is a significant challenge. Particularly in chemical reaction processes under high temperature and high pressure, the corrosion of bolts and nuts can reduce the safety and operational efficiency of the equipment. Our graphite bolts and nuts are made from a graphite-carbon material that excels in chemical resistance, making them ideal for use in corrosive environments. 【Application Scenarios】 - Fixing piping in chemical plants - Securing reaction vessels - Fixing equipment that handles corrosive fluids 【Benefits of Implementation】 - Suppression of deterioration of bolts and nuts due to corrosion - Contribution to the longevity of equipment - Reduction of maintenance costs

• Processing Contract

In the electric furnace industry, high heat resistance and reliability are required for securing components in high-temperature environments. It is particularly important to withstand temperature changes and vibrations within the furnace while maintaining stable performance over long periods. Conventional metal bolts and nuts may face issues such as deterioration due to thermal expansion and oxidation, as well as a decrease in strength. Our graphite bolts and nuts possess excellent heat resistance and chemical resistance, contributing to the stable operation of electric furnaces. 【Usage Scenarios】 - Securing trays and furnace walls inside electric furnaces - Fixing components in high-temperature environments - Securing materials in heat treatment processes 【Benefits of Implementation】 - High heat resistance contributes to longer lifespan - Self-lubricating properties allow for smooth attachment and detachment - Chemical resistance helps suppress corrosion - Custom-made options provide optimal sizes

• Processing Contract

In the field of vacuum devices, it is important to suppress outgassing from components in order to maintain high vacuum levels. Outgassing can lower the vacuum quality and impair the performance of the device. This is especially critical for vacuum devices used in high-temperature environments, where measures against outgassing are essential. Our graphite bolts and nuts are made from graphite-carbon materials with low outgassing characteristics, making them suitable for use in vacuum environments. 【Usage Scenarios】 - Fixing within vacuum chambers - Securing components in high-temperature environments - Applications that are sensitive to outgassing 【Benefits of Implementation】 - Maintenance of high vacuum levels - Improvement of device performance - Achievement of stable operation

• Processing Contract

In the automotive industry, with the strengthening of exhaust gas regulations, the durability of parts used in high-temperature environments is becoming increasingly important. In particular, components in the exhaust system require materials that are resistant to thermal expansion and corrosion. Graphite bolts and nuts excel in heat resistance and chemical resistance, contributing to the secure fastening of parts in exhaust gas measures. 【Application Scenarios】 - Fastening exhaust system components - Fastening parts in high-temperature environments 【Benefits of Implementation】 - Improved durability of exhaust system components - Prevention of exhaust gas leaks - Reduction in the frequency of parts replacement

• Processing Contract

In the metal heat treatment industry, the deterioration caused by thermal expansion and chemical reactions during the fixation of parts in high-temperature environments is a challenge. Particularly in furnaces where atmosphere control is necessary, components with excellent heat resistance and chemical resistance are required. Graphite bolts and nuts address these challenges and support a stable heat treatment process. 【Usage Scenarios】 - Fixation of parts in high-temperature environments - Inside furnaces requiring atmosphere control - Suppression of distortion due to thermal expansion - Environments requiring chemical resistance 【Benefits of Implementation】 - Suppression of deformation due to heat - Prevention of atmospheric contamination inside the furnace - Long-term usability - Assurance of stable heat treatment quality

• Processing Contract

In the aerospace industry, nozzles that can withstand high-temperature and high-pressure environments are required. Particularly in rocket engines and turbine engines, materials with excellent heat resistance, wear resistance, and corrosion resistance are crucial. Inappropriate material selection or processing can lead to performance degradation or damage of the nozzle. Our graphite-carbon processing case uses isotropic graphite (CIP material) to provide custom-made nozzle processing tailored to our customers' needs. 【Application Scenarios】 - Rocket engine nozzles - Turbine engine nozzles - Parts in high-temperature environments 【Benefits of Implementation】 - Providing nozzles with excellent heat resistance, wear resistance, and corrosion resistance - Achieving optimal shapes and sizes through custom-made solutions - High reliability and durability

• Processing Contract

In the ceramics industry, the manufacturing of refractory materials requires components that can withstand high temperatures while maintaining precise shapes. In particular, materials that are resistant to thermal expansion and chemical reactions are in demand. Graphite carbon possesses excellent properties that meet these requirements. Our graphite carbon processing example, "Punch and Press Goma," is used in combination with molds and contributes to the shaping of refractory materials. We offer customized solutions to accommodate various shapes and sizes, providing optimal products tailored to our customers' needs. 【Application Scenarios】 - Manufacturing of refractory bricks - Ceramics jigs - Components in high-temperature environments 【Benefits of Implementation】 - Improved heat resistance - Realization of precise shapes - Extended product lifespan

• Processing Contract

In the semiconductor industry's film deposition process, precise temperature management is essential for the formation of high-quality thin films. In particular, a uniform temperature distribution in high-temperature environments and high durability are required. Inadequate temperature management can lead to a decline in thin film quality and a decrease in yield. Our graphite processing case, the heater (element) for high-temperature furnaces and vacuum furnaces, addresses these challenges by converting electrical energy into heat and raising the temperature inside the furnace. 【Usage Scenarios】 - CVD (Chemical Vapor Deposition) - PVD (Physical Vapor Deposition) - ALD (Atomic Layer Deposition) 【Benefits of Implementation】 - High-quality film deposition due to uniform temperature distribution - Stable operation due to high durability - Optimal size and shape through custom-made solutions

• Processing Contract

In the automotive industry, mold manufacturing requires high precision and durability. The quality of molds is a crucial factor as it directly affects the accuracy and lifespan of automotive parts. Graphite materials are excellent in heat resistance and wear resistance, making them suitable for mold materials. Our company supports solving challenges in automotive mold manufacturing by providing precise graphite products based on customer drawings. 【Application Scenarios】 - Press molds - Die-casting molds - Injection molding molds 【Benefits of Implementation】 - Extended mold lifespan - High-precision product manufacturing - Cost reduction - Weight reduction

• others

At Tokyo Carbon Industry Co., Ltd., we respond to our customers' requests by manufacturing and selling precision processed products made from various types of "carbon materials" and "graphite materials." Our production system primarily adopts a made-to-order approach based on the drawings provided by our customers, allowing us to accommodate a wide range of needs from testing and prototypes to small-lot production and mass production. 【Features】 ■ Excellent thermal properties ■ Conducts electricity ■ Lightweight and easy to process ■ Chemical resistance ■ Self-lubricating *For more details, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing

The "Tire Battery (R)" technology combines the creation of positive and negative electrode materials and conductive materials from the thermal decomposition components of used tires with processing and production techniques for carbon materials. As a result, we have established a technology for manufacturing low-cost, high-capacity batteries using used tires as raw materials. 【Features】 ■ Clarification of technology for low-cost manufacturing ■ 30% to 50% of used tires are electrode materials ■ Remaining components can be reused as terrestrial resources or energy sources ■ Negative electrode materials made from 100% tire raw materials have been developed *For more details, please refer to the PDF document or feel free to contact us.

• Secondary Cells/Batteries

We would like to introduce our "CFRP (Carbon Fiber Reinforced Plastic) products." We mainly handle CFRP, also known as dry carbon, which is produced using the "autoclave method" or the "vacuum bag method." Prepreg sheets are stacked in a mold and formed, with several atmospheres of pressure applied in a high-temperature furnace to cure the resin. After that, trimming and drilling are done to achieve the specified shape. *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

We would like to introduce our "C/C Composite (Carbon Fiber Reinforced Carbon) Products." This is a composite material made of carbon fibers and carbon (or graphite). It is used in rocket nozzles, turbine rotors, brake materials for high-speed vehicles and aircraft, and melting crucibles, among others. It has superior mechanical properties compared to graphite CIP materials and can withstand high temperatures like graphite. *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials