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Small Carbon Furnace | Compatible with ultra-low oxygen and high-temperature processing at 3000°C level

Stable processing of graphitization, carbonization, and ultra-high temperature sintering at extremely low oxygen levels and 3000°C grade.

The "carbon furnace" is a heating furnace designed for ultra-high temperature processing at around 3000°C, constructed with heaters, insulation materials, and furnace walls made of graphite. By maintaining a low oxygen concentration through vacuum replacement and an inert gas atmosphere, it suppresses oxidation and re-oxidation at high temperatures, allowing for processes such as graphitization, carbonization, sintering, crystallization, and high-temperature modification. It is suitable for high-temperature processing of materials that require higher temperatures or specific atmospheres than typical electric furnaces can provide, including carbon materials, C/C composites, SiC, B4C, ceramics, and metal powders. 【Features】 ■ Capable of ultra-high temperature processing at around 3000°C ■ Forms a low-oxygen atmosphere with vacuum replacement and inert gas ■ Applicable for improving graphitization and crystallinity of carbon materials ■ Supports high-temperature sintering of ceramics such as SiC and B4C ■ Compact design makes it easy to introduce for research and development or condition testing *For more details, please download the materials or contact us.

  • Industrial Furnace
  • Small carbon furnace

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Small Carbon Furnace | Achieving 3000°C-level processing while suppressing oxidation

A small carbon furnace that suppresses oxidation and property variation through high-temperature treatment at 2,000 to 3,000℃.

"Although the temperature is achieved, the targeted reaction site cannot be created." In high-temperature processing of carbon materials, ceramics, and high-melting-point materials, simply raising the temperature is not sufficient. Slight differences in furnace oxygen, heating rate, thermal history, and furnace atmosphere can lead to oxidation/re-oxidation, characteristic fluctuations, and reaction inconsistencies. This document explains the capabilities of the "small carbon furnace," which balances an ultra-low oxygen atmosphere with high-temperature processing in the range of 2,000 to 3,000°C, from a practical perspective. [For challenges like these] ■ Heating can be done, but the sample state and characteristics are unstable. ■ Large furnaces take time to start up, making it difficult to establish conditions. ■ We want to suppress oxidation/re-oxidation during high-temperature processing. ■ We want to align oxygen management and thermal history to reproduce crystallinity, conductivity, and microstructure. The small carbon furnace facilitates short trial runs, condition changes, oxygen management, and thermal history management, making it suitable for condition exploration in research and development or prototype stages. *For more details, please download the document or contact us.

  • Industrial Furnace
  • Small carbon furnace

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Small Carbon Furnace | Background of the Demand for Low Oxygen and Ultra-High Temperature Treatment

Explaining the background of the development of a small carbon furnace for dry reduction, graphitization, and carbonization treatment.

While the demand for dry and reduction-type heat treatment is increasing, there are challenges in research settings such as "insufficient temperature," "incompatible charge sizes," and "difficulty in maintaining low-oxygen atmospheres." In particular, for the graphitization of carbon materials, carbonization and nitridation of ceramics, and dry processing of battery materials and catalyst supports, conventional electric furnaces may lack the necessary temperature, atmosphere, and processing space. Our small carbon furnace aims to achieve short heating times, high-temperature uniformity, and low-oxygen atmospheres through the use of graphite heating elements, high insulation structures, vacuum replacement, and inert gas atmosphere control. **Main Challenges in Research Settings** - Limitations on maximum achievable temperature prevent the reproduction of high-temperature processing conditions. - The small amount of charge sample and effective heating area make scaling difficult. - Maintaining a low-oxygen atmosphere is challenging, leading to oxidation and re-oxidation. - There is a desire to investigate dry reduction, graphitization, carbonization, and nitridation conditions using a small furnace. *For more details, please download the materials or contact us.*

  • Industrial Furnace
  • Small carbon furnace

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