Graphite Crucible is a container used for melting and casting non-ferrous, non-iron metals such as gold, silver, aluminum, and brass. It's made from graphite, clay, silica, and wax stone. 

The thermal conductivity, high temperature resistance, small thermal expansion coefficient for high temperature applications, and anti strain properties to rapid heating and cooling make graphite crucibles an ideal metal casting tool. They are resistant to the effects of acids and alkaline solutions and have excellent chemical stability.

Graphite crucibles do not contaminate molten metals because the graphite material is fused and does not loosen. The quality of a graphite crucible is determined by how it is manufactured, which influences its structure, density, porosity, and strength.

The non-reactive nature of graphite crucibles makes them ideal for use in the casting process. Their excellent heat performance helps in melting metals quickly for faster production cycles. Since graphite crucibles are resistant to chemicals and corrosion, they are not affected by workshop conditions, characteristics that make them durable and long lasting.

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1. Metal Melting: Graphite crucibles are used for melting and casting non-ferrous, non-iron metals such as gold, silver, aluminum, and brass. Their excellent heat performance helps in melting metals quickly for faster production cycles.

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2. Alloy Production: They are used in the production of alloys. The non-reactive nature of graphite crucibles makes them ideal for use in the casting process.

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3. Material Analysis in Laboratories: Graphite crucibles are used in laboratories for material analysis. Their thermal stability, resistance to chemical corrosion, and durability make them the preferred choice for such applications.

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4. Furnaces: Graphite crucibles are employed in fuel-fired, electric, and induction furnaces. They must be designed to meet the temperature, chemical, and physical requirements of the specific operation.

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5. Transferring and Moving Molten Metals: They are also used as a method for transferring and moving molten metals. They have to be designed to fit the temperature, chemical, and physical requirements of the specific operation.

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These applications take advantage of the unique properties of graphite crucibles, including their high temperature resistance, small thermal expansion coefficient, and excellent chemical stability.
 

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