When it comes to heating equipment, two common types are the tube furnace and the muffle furnace.
Both are used for various applications, but they have distinct differences in design and functionality.
5 Key Points to Consider
1. Heating Chamber
A tube furnace has a cylindrical shape with one or multiple heating zones.
It is designed to accommodate tube-shaped samples or materials.
In contrast, a muffle furnace has a larger heating chamber and is typically box-shaped or cylindrical with sliding doors at both ends.
This design allows for larger or irregularly shaped samples that may not fit in a tube furnace.
2. Gas-tightness
Tube furnaces generally have better gas-tight performance compared to muffle furnaces.
This makes tube furnaces more suitable for applications where vacuum or gas-tightness requirements are relatively high.
3. Operation Difficulty
Muffle furnaces are generally easier to operate compared to tube furnaces.
The operation of a muffle furnace is relatively simple, making it more suitable for users who prefer ease of operation.
4. Temperature Range
Both tube furnaces and muffle furnaces can reach high temperatures up to 1800℃.
However, the temperature range may vary depending on the specific model and design of the furnace.
5. Application
Tube furnaces are commonly used in industries such as metallurgy, glass, heat treatment, lithium materials, new energy, and abrasives.
They are designed for determining the material properties under specific temperature conditions.
Muffle furnaces, also known as electric or resistance furnaces, are more versatile and commonly used in various applications.
They can be used in universities, research institutes, industrial and mining enterprises, and for experiments and small batch production.
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