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Advantages Of Vacuum Furnace Graphite Parts

In recent years,along with the improvement of vacuum heat-treatment,vacuum heat-treatment has unique advantages which be loved by professionals due to the degassing,degreasing,anaerobic etc.But it has high standard for electrical heating element which will restrict the development of vacuum furnace,if the electrical heating element is broken,volatilized or shaped by high temperature.

So what's the advantages of Graphite Heating Element?

1、High-Temperature Resistance

the melting point of the graphite is 3850±50℃,boiling point is 4250℃.the strength will increase as the temperatures rise,at the 2000℃,the strength will improve one time than before.

2、Thermal and Electrical Conductivity

The conductivity of graphite is one hundred times higher than general non-metallic mineral.thermal conductivity is much better than steel,iron,lead etc.Electrical Conductivity is much better.

3、Lubricity

Lubrication performance depends on the size of flake graphite,the size is bigger,the lubricity is better.

4、Chemical Stability

Graphite has good chemical stability at room temperature,it can be acidproof,alkali-resisting and resistance to organic solvents.

5、Plasticity

Graphite has good toughness,that can be run into very thin slice.

6、Thermal Shock Resistance:

When graphite is used at room temperature it can withstand the severe changes of temperature without damage.whtn the temperature is in mutations, the volume of graphite won't change not big,and it won't crack.

As the materials of Vacuum Furnace heating element,Graphite is the first choice.

As one of top graphite suppliers,XRD Graphite Manufacturing Co.,Ltd supplies high purity graphite and best service!


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