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Graphite crucible

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Product Name: Graphite Crucible Abstract

The graphite crucibles are mainly made of high-purity graphite material, which is renowned for its excellent thermal conductivity, high-temperature resistance and chemical stability. Utilizing advanced molding techniques, these crucibles can be manufactured into various complex shapes and precise sizes, ensuring their outstanding performance even under extreme conditions. We are a reliable manufacturer of graphite crucibles in China, dedicated to producing high-quality graphite crucibles. Our products always possess excellent durability, competitive pricing, and can be customized according to different customer needs.
Product Details
Graphite crucibles can be manufactured in various sizes and shapes, including circular, square, and beaker-like types, to meet different melting and experimental requirements. It has extremely excellent thermal conductivity and uniform temperature distribution characteristics. The surface of the crucible is smooth and dense, without any impurities or cracks, ensuring excellent corrosion resistance and service life. It ensures stable performance in various high-temperature melting environments, making it both reliable and efficient.
Product Parameters (Specifications)
Manufacturing process

Equipment / Machinery

Materials

Surface treatment

Industry
Forming and Sintering

Forming machine
Press machine
Sintering furnace CNC machine tool

High-purity graphite
Natural flake graphite Silicon carbide
Graphite-silicon carbide composite material

General treatment
High-temperature treatment
Coating treatment

Metallurgical industry
Casting industry Chemical industry
Laboratory analysis
Product features and applications
With the continuous development of the metallurgical and chemical industries, the requirements for high-temperature melting equipment have become increasingly higher. This has led to more scientific and practical designs for graphite crucibles. We are a reputable Chinese manufacturer dedicated to producing precise, durable and high-performance graphite crucibles. We have a strict quality control system and adopt advanced production techniques. These crucibles comply with industry standards and customer needs. Advantages

High-temperature stability
The graphite crucible remains stable at high temperatures, without deforming or melting, ensuring the reliability of long-term use.
Excellent thermal conductivity
Graphite materials possess outstanding thermal conductivity, enabling the uniform transfer of heat, thereby enhancing the melting efficiency and reducing energy consumption.
Chemical inertness
The graphite crucible has extremely strong chemical stability and can resist various acid and alkali corrosion, ensuring the purity of the molten substances.
Thermal shock resistance
Excellent resistance to rapid cooling and heating, capable of withstanding drastic temperature changes without damage, thereby extending the service life.
Diversified options
Offer various specifications and models. Customized crucibles of different sizes and shapes can be provided according to customer needs, meeting various special application requirements.
The materials we process
Polymer category
High-purity graphite: With a purity of over 99% and a residue of no more than 0.1%
Natural flake graphite: Exhibits excellent thermal conductivity and high-temperature resistance.
Silicon carbide: Enhances the mechanical strength and corrosion resistance of the crucible
Graphite-silicon carbide composite material: Combining the excellent properties of graphite and silicon carbide
Surface finish
Category

Surface treatment method

Core Feature
Ordinary processing

Machining

Smooth surface and precise dimensions
High-temperature treatment

High-temperature sintering

Enhance strength and improve conductivity
Coating treatment

Special coating

Enhance corrosion resistance and extend lifespan
Tolerance and accuracy
Dimension tolerance: ±0.5mm
Surface roughness: Ra ≤ 3.2 μm
Purity guarantee: Ash content ≤ 0.1%
Operating temperature: Up to 2000°C (in air)
Accepted drawing format
STP, STEP, LGS, XT, AutoCAD (DXF, DWG), PDF or samples Delivery time

Sample: 3-4 weeks
Batch orders: Quantity will be negotiated and determined based on specific requirements.
Industry standard
ISO9001:2015, GB/T, industry standards Application fields
Metallurgical industry
Used for high-temperature melting and purification of steel, non-ferrous metals, and rare earth metals, to ensure the melting efficiency and product quality.
Casting industry
Used for the melting of alloy tool steel and non-ferrous metal alloys, it provides stable and reliable melting containers. Chemical industry

Used for chemical synthesis and high-temperature reactions, the excellent chemical stability ensures the purity of the reaction process.
Laboratory analysis
Used for smelting and analysis of precious metals and rare metals, high-purity materials ensure the accuracy of the analysis results.
Semiconductor industry
Used for silicon ingot growth and semiconductor material preparation, it provides an ultra-high-temperature and ultra-pure melting environment.
Glass and ceramic industries
Used for the preparation of high-temperature glazes and ceramic sintering, its excellent temperature resistance ensures the stability of the production process. Frequently Asked Questions Answered

Q1: What is the temperature range for the use of graphite crucibles?
A1: Our graphite crucibles can be used up to 2000°C in the air. In a protective atmosphere, the temperature can be even higher, and the specific temperature depends on the usage environment and the type of crucible.
Q2: Can custom graphite crucibles with specific specifications or shapes be made?
A2: Yes, we offer customized services based on the specific requirements of our clients. This includes graphite crucibles of various specifications, shapes, and with special performance requirements. All you need to do is provide drawings or samples.
Q3: Compared to other types of crucibles, what are the advantages of graphite crucibles?
A3: Graphite crucibles possess excellent thermal conductivity, high temperature resistance, chemical stability, and thermal shock resistance. They can provide a more uniform temperature distribution and a longer service life, making them particularly suitable for high-temperature melting applications.
Q4: How to use and maintain graphite crucibles correctly?
A4: Before use, check if the crucible is intact to avoid sudden temperature changes. After use, clean it promptly and store it dry. It is recommended to follow our operating instructions to extend the service life of the crucible.

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