1. In the mechanical industry:

- Used as abrasives and grinding tools.

2. In the chemical and light industry sectors:

- Used as mechanical seal rings for submersible pumps and chemical pumps.

- Used for glass fiber drawing crucibles, flow channels, and glass melter bricks.

3. In the electronic industry:

- Used as containers for melting high-purity semiconductor materials and single-crystal materials.

- Used as solid diffusion sources for semiconductors.

- Used as various high-temperature insulating and heat-dissipating components in electronic instruments and equipment.

- Used as substrates for integrated circuits and conductive boats for evaporation coating.

4. In the medical and agricultural industries:

- Used for artificial joints and artificial teeth.

- Utilized for its special properties such as biocompatibility.

5. In aerospace and aviation technologies:

- Used for rocket nose cone covers, combustion chamber linings, nozzle liners.

- Used for turbine blades, exhaust pipes, structural components of the fuselage, and wings of jet aircraft.

6. Refractory materials are widely used as structural and functional materials in high-temperature engineering.

7. In the metallurgical industry:

- Widely used for components that are resistant to high temperatures, reduction, or chemical corrosion.

- Used as crucibles, boats, and other containers for melting rare metals, precious metals, refractory metals, ultra-pure metals, and special alloys.

- Used for continuous casting separation rings, metal melt filtration devices, and metal melt transportation pipelines.

8. In high-temperature industries:

- Used as high-temperature heating elements, furnace tubes, and structural and insulating materials for electric furnaces.

- Used as inner and outer protective tubes for various temperature-measuring thermocouples.