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

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last updated：Jun 05, 2026

サーモニックENG

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.

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basic information

**What Can Be Done with a Small Carbon Furnace** ■ High-Temperature Treatment in an Extremely Low Oxygen Atmosphere - Reduces the influence of oxygen in the furnace through vacuum replacement and inert gas atmosphere - Suitable for processing materials that are sensitive to oxidation and re-oxidation ■ Ultra-High Temperature Treatment in the Range of 2,000 to 3,000℃ - Capable of graphite formation, carbonization, sintering, and high-temperature modification, which are difficult in general furnaces - Effective for condition studies of carbon materials, ceramics, and high melting point materials ■ Unique Condition Setting of a Small Furnace - Easier to confirm heating, holding, and cooling conditions in a short time compared to large furnaces - Facilitates comparison of multiple conditions with small sample sizes ■ Reproducibility Confirmation of Thermal History and Atmosphere - Manages temperature, flow rate, pressure, etc., and can be utilized for confirming the reproducibility of test conditions *For more detailed specifications, please download the materials or contact us.*

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*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 details, as delivery times may vary depending on the equipment specifications.

Applications/Examples of results

【Applicable Fields】 ■ Graphitization and high crystallization treatment of carbon materials ■ High-temperature modification of CNTs, CNFs, carbon black, and graphite sheets ■ Production and sintering of carbide materials such as SiC and B4C ■ High-temperature treatment of ceramics such as Si3N4 and AlN ■ Sintering of high melting point metals, metal powders, and powder metallurgy materials ■ Dry processing of battery materials, catalyst supports, and conductive materials ■ Condition screening in research and development or prototype stages 【Recommended for those who】 ■ Find that general furnaces do not reach the required temperatures or atmospheric conditions ■ Want to suppress oxidation and re-oxidation during high-temperature processing ■ Aim to improve the crystallinity, conductivity, and thermal conductivity of carbon materials ■ Wish to confirm conditions in a small furnace before introducing a large furnace ■ Want to conduct tests with controlled temperature, oxygen concentration, and thermal history Even at the stage where materials, processing temperatures, atmospheric conditions, and processing amounts are not yet determined, we can provide consultation according to your application.