
Vacuum Carbon Tube Furnace
This vacuum carbon tube furnace is a high temperature, high vacuum resistance furnace with a graphite heating element. The maximum temperature can reach 2000°C-2300°C. It is widely used in the preparation of inorganic materials (such as: ceramic seals, silicon carbide, zirconium oxide, aluminum dioxide, etc.) and metal materials (hard alloy) in vacuum or protective atmosphere, and can also be used for the purification of rare earth elements and their oxides and sapphire annealing.
Furnace size (mm) | Maximum temperature (°C) | Vacuum degree | Power(KW) | Voltage | Heating elements |
200*200*200 | 2300°C | 6.67*10-3PA | 40 | 380V | Graphite |
400*200*200 | 67 | ||||
400*350*300 | 105 | ||||
600*400*400 | 185 |


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A vacuum furnace is a high-tech industrial oven used for heat treatment processes, primarily in the manufacturing and processing of metals, ceramics, and other materials. The furnace operates in a controlled vacuum environment, meaning that the air is removed from the chamber, creating a low-pressure atmosphere. This unique condition allows for specific and often superior material properties to be achieved during the heating process. Let’s dive deeper into the purpose of a vacuum furnace and why...