Key Features

• High Purity Material: Made from tungsten with 99.9% purity (3N5) or higher, ensuring stability and corrosion resistance at high temperatures.
• Excellent High-Temperature Resistance: Tungsten crucibles can be used for extended periods in vacuum or inert gas environments at temperatures below 2600°C, making them ideal for extreme high-temperature applications.
• Customizable Shapes and Sizes: Tungsten crucibles can be customized in various sizes and shapes, including standard round, rectangular, and boat-shaped crucibles, based on customer requirements.
• Precision Manufacturing: Manufactured using sintering, stamping, and spinning techniques, ensuring high precision and quality.

Applications
Tungsten crucibles are widely used in various high-temperature and corrosion-resistant applications, including:

• Rare Earth Metal Smelting: Used extensively in the smelting of rare earth metals and high-temperature alloys due to their superior high-temperature and corrosion resistance properties.
• Induction Furnace Heating Elements: Tungsten crucibles can be used as heating elements in high-temperature induction furnaces, ideal for experiments and processes requiring extremely high temperatures.
• Quartz Glass Melting: Commonly used in the melting and processing of quartz glass, tungsten crucibles can withstand high temperatures and are resistant to chemical reactions.
• High-Temperature Containers: Tungsten crucibles also serve as high-temperature containers for other industrial applications that require materials with excellent heat and corrosion resistance.

Product Features

• High Thermal Conductivity:Copper offers exceptional heat conductivity, ensuring rapid and uniform heat distribution
• Shape Stability:The crucible maintains excellent shape stability, ideal for high-precision experiments
• Corrosion Resistance:Outstanding oxidation and corrosion resistance, extending product lifespan
• Refining Suitability:More suitable for refining processes compared to silicon carbide and graphite crucibles
• Perfect Thermal Contact:The flat structure ensures efficient heat transfer and accurate experimental results

Applications

• Laboratory Applications:Used in electron beam evaporation coating, optical coating, vacuum coating, and more
• High-Temperature Treatments:Serves as a container in sintering, melting, and other high-temperature experiments
• Metallurgical Industry:Used in the refining and experimental analysis of non-ferrous metals and precious metals
• Mold Industry:Used as ingot molds, particularly for experimental analysis and production of metals
• Photovoltaic and Rare Earth Industries:Plays a key role in the production of photovoltaic materials and rare earth metals

Graphite crucibles are made from high-purity crystalline natural graphite combined with refractory clay. They are widely used in high-temperature melting and chemical reactions. With excellent resistance to high temperatures, corrosion, and good chemical stability, graphite crucibles are particularly suitable for melting precious metals and special alloy steels. Available in different variations such as pure graphite, clay graphite, and silicon carbide graphite, they serve a wide range of applications.

Key Features

• Excellent Thermal Stability: Low thermal expansion coefficient, providing good strain resistance and the ability to withstand rapid heating and cooling.
• Corrosion and Impact Resistance: Ensures long service life even in high-temperature environments.
• Chemical Stability: Resistant to strong acids and alkalis, unaffected by chemical reactions.
• Good Thermal Conductivity: Effectively reduces melting time and saves energy.
• High Purity: Pure graphite crucibles have ash content below 300pp, ensuring no contamination of precious metals during melting.

Applications

• Metallurgical Industry: Widely used for melting metals, special alloy steels, and precious metals.
• Casting Industry: Used for casting non-ferrous metals and their alloys.
• Chemical Industry: Suitable for high-temperature melting and as reaction vessels in chemical processes.
• Machinery Industry: Commonly used for melting and material processing at high temperatures.

Features

• High refractive index and dielectric constant, suitable for high-performance thin-film materials
• Excellent chemical stability, ensuring reliable performance under extreme conditions
• Available in various sizes based on customer requirements
• High melting point and temperature resistance, making it suitable for high-temperature applications

Applications

• Electronics: Used in the electron transport layer of perovskite solar cells, improving optical efficiency and electron mobility. Also widely used in thin-film capacitors, optical communication devices, and more
• Optics: Serves as a high-refractive-index coating material in antireflective coatings, reflective films, and interference filters. It exhibits strong resistance to laser damage, making it suitable for lasers, solar cells, and other optical components
• Chemicals: Used as a catalyst in various chemical reactions, particularly in high-temperature catalytic environments

Features

• Excellent temperature resistance, suitable for extreme temperature conditions
• Exceptional corrosion resistance, particularly against molten metals and chemicals
• Outstanding cold-working properties and high dielectric constant of surface oxide film
• High-purity tantalum ensures stable and reliable performance

Applications

• Rare Earth Smelting: Tantalum frustums are used in the rare earth element smelting process, where high-temperature and corrosion resistance are critical for complex chemical reactions
• High-Temperature Sintering: Used as an anode carrier to maintain the stability and efficiency of electrolytic capacitors during high-temperature sintering
• Chemical Industry: Tantalum frustums serve as corrosion-resistant containers for storing and processing various corrosive chemicals
• Sputtering and Vapor Deposition: Provide a stable platform for reactions during surface modification, ensuring clean and stable surfaces

Features

• High Melting Point: Tantalum has an extremely high melting point (approximately 2996°C), making it suitable for melting and processing high-temperature materials
• Corrosion Resistance: Tantalum offers exceptional resistance to corrosion, especially in high-temperature and strong acid environments
• Excellent Density and Strength: With a density of about 16.6 g/cm³, tantalum crucibles have excellent mechanical properties and stability
• Surface Treatment: The surface of the tantalum crucible is finely machined and polished to ensure smoothness, making it suitable for precision work
• Customizable: Tantalum crucibles can be customized to different sizes and specifications based on customer requirements

Applications
Tantalum crucibles are widely used in the following fields:

• Laboratory Equipment: Used for high-temperature reactions and material melting in chemical experiments, particularly in precision work where contamination must be avoided
• Metallurgical Industry: Tantalum crucibles play an important role in the melting of high-temperature alloys, precious metals, and electronic components
• Electron Beam Melting: Tantalum crucibles are commonly used as containers for melting high-temperature materials during electron beam melting processes
• Glass and Ceramics Industry: In high-temperature environments, tantalum crucibles are used for melting glass and forming ceramics
• Platinum Metal Replacement: Tantalum crucibles can serve as a substitute for platinum metals in high-temperature and corrosive environments

Features

• High-Temperature Resistance: With a melting point of 1669°C, titanium crucibles can withstand extremely high temperatures, making them suitable for the melting of both metals and non-metals.
• Strong Corrosion Resistance: The oxide protective layer formed on the titanium surface provides excellent resistance to strong acids and corrosive environments, ideal for chemical reactions.
• Superior Mechanical Properties: Titanium is lightweight (43% lighter than steel) yet has a mechanical strength nearly equivalent to that of steel, making it ideal for high-strength work environments.
• Seamless Structure: Manufactured using a one-piece forming process, eliminating welding or joining that could potentially reduce strength and stability.

Applications
High purity titanium crucibles are widely used in the following areas:

• Chemical Experiments: Used in the melting and refining of metallic liquids, especially for chemical reactions in high-temperature and corrosive environments.
• Metal Casting and Melting: In metal casting and melting processes, titanium crucibles can stabilize the molten metal, preventing oxidation and contamination.
• Metallurgical Industry: Used in various high-temperature melting tests, ensuring the purity and stability of materials during the smelting process.
• High-Temperature Research: Employed in scientific research as critical equipment for experiments involving high-temperature materials.

Boron nitride crucibles are made from a compound that consists of an equal number of boron and nitrogen atoms. They feature an extremely high melting point and exceptional temperature resistance, with a melting point of 2973°C. These crucibles can withstand operating temperatures up to 1900°C. With excellent corrosion resistance, low wettability, and high thermal conductivity, boron nitride crucibles are widely used in high-temperature treatments and crystal growth applications.

Key Features

• High Temperature Resistance: Stable up to 1900°C.
• Excellent Corrosion Resistance: Effectively resists corrosion in high-temperature environments.
• High Thermal Conductivity & Low Thermal Expansion: Ensures stability under temperature fluctuations.
• High Thermal Shock Resistance: Can quickly adapt to rapid temperature changes.
• Good Electrical Insulation: Ideal for high-temperature electrical applications.

Applications

Boron nitride crucibles are commonly used in:

• Crystal Growth: Used in crystal growth furnaces to handle high-temperature melting environments.
• High-Temperature Furnaces: As a high-temperature material for use in furnaces.
• Electrical Insulation: Widely used as electrical insulators in vacuum systems and high-voltage feedthrough devices.
• Metallurgy and Casting: Applied in equipment like breaking rings for horizontal casting machines.
• Vacuum Systems: For electrical insulation in high-temperature environments.

Nickel crucibles are laboratory tools designed for high-temperature melting and chemical reactions. Made from high-purity nickel, they offer exceptional resistance to high temperatures, oxidation, and corrosion. With a temperature tolerance typically ranging from 1000°C to 1300°C, nickel crucibles are ideal for high-temperature experiments and industrial applications, particularly in the melting of precious and rare metals.

Key Features

• High Purity: Made from 99.99% pure nickel, ensuring efficient and stable experimental performance.
• Exceptional High-Temperature Resistance: Designed to withstand temperatures from 1000°C to 1300°C.
• Oxidation and Corrosion Resistance: Excellent chemical stability, capable of withstanding most acids, alkalis, and salts.
• Mechanical Strength: Strong mechanical properties, making them suitable for high-intensity operations.

Applications

• Chemical Experiments: Widely used in inorganic chemistry experiments, especially for heating and melting strong alkaline substances, ensuring accurate results.
• Ore Analysis: Used for high-temperature melting of sample ores and fluxes during subsequent chemical analysis.
• Metallurgical Industry: Ideal for the melting and purification of rare and precious metals, with excellent compatibility with molten materials.
• Glass and Ceramics Industries: Used in the high-temperature melting of raw glass materials and ceramic glazes, ensuring smooth production processes.

Niobium crucibles are high-purity silver-gray metal containers made from niobium. These crucibles are known for their excellent high-temperature performance, with a melting point of up to 2468°C and a boiling point of 4742°C. Niobium crucibles are highly ductile and can withstand extreme temperature variations without deforming. The manufacturing process involves deep-drawing solid niobium rods or plates, ensuring that the crucibles meet the customer’s outer diameter and wall thickness requirements while providing outstanding high-temperature and corrosion-resistant properties.

Features

• High Purity Niobium:Ensures the crucible’s stability and excellent high-temperature resistance.
• Superior Deformation Resistance:Capable of withstanding high-temperature working environments without deforming.
• Excellent Corrosion Resistance:Ideal for use in a variety of chemical environments.
• Customizable Sizes:Can be tailored to meet specific customer requirements in terms of dimensions and specifications.

Applications

• Rare Earth Metallurgy:Used as a high-temperature and corrosion-resistant container in rare earth metallurgy processes.
• Chemical Industry:Serves as a corrosion-resistant container, evaporating crucible, and liner in chemical reactions.
• Electronics Industry:Widely used as sputtering and evaporation containers in thin film deposition processes.
• High-Temperature Sintering:Used in the sintering of niobium electrolytic capacitor anode plates.
• Other High-Temperature Applications:Extensively used in other industrial environments requiring high temperature and corrosion resistance.