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

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last updated：Jun 24, 2026

サーモニックENG

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.*

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basic information

【Development Concept】 ■ Short-time Heating - Efficiently raises temperature to high ranges using graphite heating elements. - Configuration suitable for condition comparison and screening in research and development. ■ High-Temperature Uniformity - Hot zone design minimizes temperature variations around the sample. - Capable of high-temperature processing of carbon materials, ceramics, and metal powders. ■ Low Oxygen Atmosphere Control - Switches to inert gases like Ar/N2 after vacuum replacement. - Applicable for processing materials that are sensitive to oxidation and re-oxidation. ■ From Research Applications to Scale-Up - Conditions can be verified in a small furnace, with potential for future expansion to large-scale and mass production furnaces. 【Expected Use Cases】 - Sintering, graphitization, and surface modification of carbon materials. - Processing, reduction, and decarbonization of ceramics and metal powders. - Dry conditions for battery materials and catalyst supports. *For more detailed specifications, please download the materials or contact us.

Price information

*Please feel free to contact us for more details, as prices may vary depending on the specifications of the equipment.

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※*Please feel free to contact us for more details, as delivery times may vary depending on the equipment specifications.

Applications/Examples of results

【Applicable Fields】 ■ High-temperature modification of carbon materials, CNT, CNF, carbon black, and graphite sheets ■ Graphitization, high crystallization, and improvement of electrical and thermal conductivity of carbon materials ■ High-temperature sintering of ceramics such as SiC, B4C, Si3N4, and AlN ■ Heat treatment of metal powders, powder metallurgy materials, and high melting point materials ■ Dry processing of battery materials, catalyst supports, and conductive materials ■ Condition screening in research and development or prototype stages 【For Such Challenges】 ■ Insufficient temperature reach in general furnaces ■ Desire to stably maintain a low-oxygen atmosphere ■ Need to confirm conditions for graphitization and high crystallization of carbon materials ■ Want to process powders and molded bodies in a certain quantity ■ Aim to verify conditions in a small furnace and eventually expand to a large furnace Even at the stage where materials, processing temperatures, atmospheric conditions, and processing quantities are uncertain, you can consult us according to your application.