Small Carbon Furnace | Main Applications in 3000°C Class and Low Oxygen Atmosphere

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last updated：Jun 05, 2026

サーモニックENG

Introduction of applications that can be examined using a small carbon furnace, such as graphitization, carbonization, sintering, and crystallization.

Our "Small Carbon Furnace" is an electric furnace designed for high-temperature processing at around 3000°C in a low-oxygen atmosphere. By using carbon materials inside the furnace and treating them in an inert gas atmosphere such as Ar or N2 after vacuum replacement, it creates a stable heating environment that suppresses oxidation and re-oxidation at high temperatures. This document introduces the main applications of the small carbon furnace, including the graphitization of carbon materials, carbonization and sintering of ceramics, high-temperature processing of high melting point materials, and small-scale testing for research and development. 【Main Specifications】 ■ Equipment dimensions: 1000W × 1000D × 2100H mm ■ Effective dimensions inside the furnace: 200W × 200D × 200H mm ■ Compatible atmospheres: Inert gases Ar, N2, and vacuum ■ Material inside the furnace: Graphite ■ Door structure: Hinged type ■ Vacuum pump: Rotary pump ■ Monitoring and recording: Temperature, flow rate, pressure, etc. *For more details, please download the document or contact us.

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basic information

**Features** ■ Compatible with vacuum to inert gas atmosphere - High-temperature treatment that suppresses oxidation in Ar and N2 atmospheres - Reduction of residual oxygen in the furnace through vacuum replacement ■ High-temperature furnace structure using carbon materials - Capable of high-temperature treatment at around 3000°C with graphite furnace materials - Possible to consider graphitization, carbonization, sintering, etc., in a low-oxygen atmosphere ■ Compact design for small-scale and research development - Easy to install in limited spaces due to compact design - Easily introduced for research and development, prototyping, and condition examination ■ Supports data acquisition and reproducibility verification - Capable of recording and monitoring temperature, flow rate, pressure, etc. - Can be utilized for reproducibility verification during heating and holding *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 equipment specifications.

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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

【Main Uses】 ■ Graphitization and high crystallization treatment of carbon materials ■ High-temperature modification of CNT, CNF, 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 refractory metals, metal powders, and powder metallurgy materials ■ Performance evaluation of heat-resistant materials, oxidation-resistant materials, and C/C composites ■ Small-scale high-temperature and inert atmosphere testing for research and development 【For Such Challenges】 ■ General furnaces lack temperatures in the range of 2400 to 3000°C ■ Want to suppress oxidation and re-oxidation during high-temperature processing ■ Want to improve the crystallinity, conductivity, and thermal conductivity of carbon materials ■ Want to examine conditions for ceramics and high melting point materials on a small scale ■ Want to expand from small research furnaces to large furnaces in the future Even at the stage where materials, processing temperatures, and atmospheric conditions are not yet determined, you can consult us according to your application.