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Graphite Molds

Graphite molds used in the production of crystal materials are key equipment for graphite technology in the field of crystal material preparation.
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Graphite molds used in the production of crystal materials are key equipment for graphite technology in the field of crystal material preparation.

1. Overview of graphite molds

Graphite molds have gradually become the preferred material for mold making due to their good physical and chemical properties. Graphite molds commonly used in the production of crystal materials are mainly made of artificial graphite or high-purity graphite, with excellent thermal conductivity, electrical conductivity, thermal stability and chemical stability.


2. Application of graphite molds in the production of crystal materials

Semiconductor material production:

Graphite molds play an important role in the production of semiconductor materials. For example, in the sintering process of transistors, graphite molds are used as support frames and sintering molds. Due to their extremely small thermal deformation, they can ensure the precise molding and high-quality production of transistors.

Synthetic diamond synthesis:

In the synthesis process of artificial diamonds, graphite molds play a dual role as heating elements and mold supports. The quality of graphite molds directly affects the dimensional accuracy, appearance and shape of diamond tools. Therefore, graphite molds with high purity, high density, good conductivity and oxidation resistance are the key to manufacturing high-quality diamond tools.

Production of other crystal materials:

In addition to semiconductor materials and artificial diamonds, graphite molds are also widely used in the production of other crystal materials. For example, in the preparation process of optical crystals, laser crystals and other materials, graphite molds can provide a stable high-temperature environment to ensure the uniform growth and high-quality output of crystal materials.

3. Performance requirements of graphite molds

High precision:

Graphite molds need to have high precision to ensure the precise molding of crystal materials. This includes the dimensional accuracy, shape accuracy and surface quality of the mold.

High strength:

In the preparation process of crystal materials at high temperature and high pressure, graphite molds need to withstand huge pressure. Therefore, graphite molds are required to have high strength and good mechanical properties.

Good thermal conductivity:

Graphite molds need to have excellent thermal conductivity to ensure uniform heating and rapid cooling of crystal materials during the preparation process. This helps to improve the quality and production efficiency of crystal materials.

Corrosion and oxidation resistance:

In the preparation process of crystal materials, graphite molds need to be exposed to harsh environments such as high temperature and corrosion for a long time. Therefore, graphite molds are required to have corrosion and oxidation resistance to extend their service life and maintain their stable performance.


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Jiangxi Ningheda New Material Co., Ltd. is mainly engaged in graphite product processing, graphite product matching service, providing graphite materials, graphite electrode and graphite products for various high temperature industries.

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 sales@nhdcarbon.com
 No. 966 of Tiangong South Avenue, High-tech Industrial Park, Fengxin County, Yichun City, Jiangxi Province, China.

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