
Oxygen Free Vacuum Annealing Furnace
This oxygen-free vacuum annealing furnace uses silicon-molybdenum rod internal heating, a square structure in a circle, uniform heating, good pressure resistance, and can achieve high-temperature sintering in a completely oxygen-free state. The furnace chamber uses ceramic alumina fiber, which has good thermal insulation performance and high cleanliness. It is suitable for metal annealing, ceramic sintering, vacuum smelting, electric vacuum parts degassing, annealing, brazing of metal parts, and ceramic-metal sealing.
Furnace size (mm) | Operating temperature (°C) | Vacuum degree | Power(KW) | Voltage | Heating elements |
400*400*400 | 1650°C | -0.1MPA-6.67*10-4PA | 20 | 380V | Silicon molybdenum rod |
500*500*500 | 35 | ||||
600*600*600 | 48 |


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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...