
Vacuum Annealing Furnace
This vacuum annealing furnace uses resistance wire radiation heating. The furnace chamber uses a 310S stainless steel liner, which has good oxidation resistance and high cleanliness. The insulation material uses ceramic fiber wool, which has good thermal insulation performance and high efficiency, and energy saving. 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) | Maximum temperature (°C) | Vacuum degree | Power(KW) | Voltage | Heating elements |
300*200*200 | 1100°C | 6.67*10-4PA | 6 | 220/380V | Resistance wire |
400*300*300 | 12 | ||||
500*400*400 | 18 | ||||
600*400*400 | 24 |


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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...