By wpdev | 16 January 2026 | 0 Comments
Calcium Hexaboride (CaB₆) Powder: A High-Performance Refractory Boride Material Empowering Multiple Fields
Amid the rapid iteration of new material technologies, refractory borides have become key supporting materials in high-end fields such as aerospace, metallurgical industry, and electronic technology, thanks to their core characteristics of high temperature resistance, high hardness, and corrosion resistance. Among them, Calcium Hexaboride (CaB₆) Powder stands out with its balanced comprehensive performance, wide application scenarios, and cost advantages, gradually breaking the application limitations of traditional materials and injecting strong momentum into technological upgrading and product innovation in various industries.
I. Core Properties: Laying the Foundation for Extreme Environment Applications
Calcium Hexaboride (CaB₆) Powder is an inorganic non-metallic material with a cubic crystal structure, formed by the close combination of calcium and boron through covalent bonds. Its unique crystal structure endows it with diverse excellent properties, making it a core category with balanced comprehensive performance in the refractory boride system and providing underlying support for multi-field applications.
1. Extreme Environment Resistance
It has a melting point as high as 2230℃ and can maintain chemical stability and structural integrity in a high-temperature environment of 800℃, with oxidation resistance far superior to ordinary metals and oxide materials. With a hardness of 27-30 GPa, coupled with excellent thermal conductivity and thermal shock resistance, it can resist stress impacts caused by drastic temperature fluctuations, is not easy to crack or deform, and can stably adapt to extreme working conditions such as high temperature and high-frequency vibration.
2. Chemical and Functional Properties
It is insoluble in common solvents such as water and hydrochloric acid, has strong corrosion resistance to most chemical media, and can serve for a long time in complex corrosive environments. Through composition regulation and process optimization, it can form solid solutions with other borides to achieve the synergistic regulation of hardness and superconductivity. Meanwhile, it possesses excellent electron emission and electrical conductivity, expanding the broad space for the research and development of functional devices.
The iteration and optimization of process technologies not only ensure the large-scale supply of CaB₆ Powder but also realize precise performance regulation, laying a solid foundation for its cost-performance advantage and fully adapting to the demand scenarios of different fields.
1. Mainstream Mass Production Technology
The carbothermal method is the current mainstream preparation technology, featuring mature processes, controllable costs, and simple operation. It can realize industrial large-scale production and efficiently meet the large-scale application needs in fields such as metallurgy and refractory materials.
Calcium Hexaboride CaB6 Powder
2. High-End Performance Optimization Technology
The integrated application of the borothermal reduction method and high-pressure sintering technology can significantly improve the phase purity and performance stability of products, accurately adapting to the high-precision requirements of high-end fields such as electronics and superconductivity. New technologies such as vacuum arc melting are gradually being explored and implemented, which are expected to further break through the bottlenecks of purity and production efficiency and empower higher-end application scenarios.
III. Application Implementation: Empowering Technological Upgrade Across Industries
Relying on excellent performance and flexible process adaptability, CaB₆ Powder has deeply penetrated three core fields, becoming a key material to enhance product competitiveness and reduce comprehensive production costs, with continuously expanding application scenarios.
1. Metallurgy and Refractory Materials
As a refining agent for oxygen-free copper, it can efficiently remove impurities such as oxygen and iron in copper liquid through the carbothermal method, reducing the oxygen content of copper materials to below 10 ppm and significantly improving the purity and electrical conductivity of copper. This refined oxygen-free copper is widely used in high-precision electronic components and power transmission cables, where low impurity content is critical for performance. With simple and practical processes, low energy consumption, and stable refining effects, it has been widely adopted in the non-ferrous metal smelting industry, replacing some high-cost refining agents. Meanwhile, adding 5%-10% CaB₆ Powder to refractory materials such as alumina and magnesia can form a dense protective film on the material surface at high temperatures, effectively enhancing the high temperature resistance, oxidation resistance, and wear resistance of materials. This modification extends the service life of equipment such as metallurgical furnaces, high-temperature reactors, and ladles by 30%-50%, greatly reducing the maintenance costs and production downtime of industrial production.
2. Electronics and Superconducting Materials
It can be used to prepare high-phase-purity Ca/SrₓY₁₋ₓB₆ solid solutions through precise component control and high-pressure sintering technology, realizing the coexistence regulation of hardness (up to 32 GPa) and superconductivity (critical temperature up to 8 K). This functional material provides core support for the research and development of superconducting devices, high-end electron tubes, and quantum computing components, where both mechanical stability and superconducting performance are required. Its excellent electron emission characteristics, with a low work function of 2.5-3.0 eV, make it an ideal material for manufacturing cathodes of high-power electronic devices such as microwave tubes and vacuum switches. Compared with traditional barium-tungsten cathodes, CaB₆-based cathodes have higher emission current density and longer service life, effectively improving the operation stability and working efficiency of devices in harsh environments such as high voltage and high vacuum.
Packing & Shipping of Calcium Hexaboride CaB6 Powder
3. Aerospace and National Defense
When compounded into the surface protective coating of aircraft engine components and aerospace vehicles, CaB₆ Powder can form a thermal barrier coating with excellent performance, which can effectively resist high-temperature oxidation (up to 1000℃) and air flow erosion during high-speed flight. This coating reduces the material loss of key components such as turbine blades and combustion chambers, improving the safety and service life of aircraft. In addition, its high hardness and impact resistance, combined with good sintering performance, make it suitable for preparing lightweight bulletproof materials and high-end wear-resistant components for national defense equipment. For example, CaB₆-reinforced ceramic composites are used in armor plates and vehicle protective parts, which can effectively resist the impact of projectiles while reducing the overall weight of the equipment, perfectly adapting to the harsh use requirements of national defense equipment for both protection and mobility.
IV. Market Value and Development Prospects
With the continuous upgrading of fields such as metallurgy, aerospace, and electronic technology, the global demand for refractory boride materials is growing steadily at a compound annual growth rate (CAGR) of 5.8%. Driven by the rapid development of new energy vehicles and high-precision electronics, the demand for high-purity oxygen-free copper and functional superconducting materials is surging, further boosting the application of CaB₆ Powder. As a high-performance refractory material with excellent cost performance, Calcium Hexaboride (CaB₆) Powder has been expanding its market share in mid-to-high-end application scenarios due to its multi-scenario adaptability. Compared with other refractory borides such as titanium diboride (TiB₂) and zirconium diboride (ZrB₂), the price of CaB₆ Powder is only 1/3-1/2 of theirs, and its comprehensive performance is comparable, making its cost advantage particularly prominent in large-scale applications.
supplier
Luoyang Tongrun Nano Technology Co., Ltd. (TRUNNANO), Luoyang City, Henan Province, China, is a reliable and high-quality global chemical material supplier and manufacturer. It has more than 12 years of experience providing ultra-high quality chemicals and nanotechnology materials, including Calcium Hexaboride (CaB₆) Powder, nitride powder, Hexagonal boron nitride powder, sulfide powder, and 3D printing powder. If you are looking for high-quality and cost-effective Calcium Hexaboride (CaB₆) Powder, you are welcome to contact us or inquire at any time.
I. Core Properties: Laying the Foundation for Extreme Environment Applications
Calcium Hexaboride (CaB₆) Powder is an inorganic non-metallic material with a cubic crystal structure, formed by the close combination of calcium and boron through covalent bonds. Its unique crystal structure endows it with diverse excellent properties, making it a core category with balanced comprehensive performance in the refractory boride system and providing underlying support for multi-field applications.
1. Extreme Environment Resistance
It has a melting point as high as 2230℃ and can maintain chemical stability and structural integrity in a high-temperature environment of 800℃, with oxidation resistance far superior to ordinary metals and oxide materials. With a hardness of 27-30 GPa, coupled with excellent thermal conductivity and thermal shock resistance, it can resist stress impacts caused by drastic temperature fluctuations, is not easy to crack or deform, and can stably adapt to extreme working conditions such as high temperature and high-frequency vibration.
2. Chemical and Functional Properties
It is insoluble in common solvents such as water and hydrochloric acid, has strong corrosion resistance to most chemical media, and can serve for a long time in complex corrosive environments. Through composition regulation and process optimization, it can form solid solutions with other borides to achieve the synergistic regulation of hardness and superconductivity. Meanwhile, it possesses excellent electron emission and electrical conductivity, expanding the broad space for the research and development of functional devices.
300px CaHexaboride
II. Preparation Technology: Balancing Mass Production and Performance UpgradeThe iteration and optimization of process technologies not only ensure the large-scale supply of CaB₆ Powder but also realize precise performance regulation, laying a solid foundation for its cost-performance advantage and fully adapting to the demand scenarios of different fields.
1. Mainstream Mass Production Technology
The carbothermal method is the current mainstream preparation technology, featuring mature processes, controllable costs, and simple operation. It can realize industrial large-scale production and efficiently meet the large-scale application needs in fields such as metallurgy and refractory materials.
Calcium Hexaboride CaB6 Powder
The integrated application of the borothermal reduction method and high-pressure sintering technology can significantly improve the phase purity and performance stability of products, accurately adapting to the high-precision requirements of high-end fields such as electronics and superconductivity. New technologies such as vacuum arc melting are gradually being explored and implemented, which are expected to further break through the bottlenecks of purity and production efficiency and empower higher-end application scenarios.
III. Application Implementation: Empowering Technological Upgrade Across Industries
Relying on excellent performance and flexible process adaptability, CaB₆ Powder has deeply penetrated three core fields, becoming a key material to enhance product competitiveness and reduce comprehensive production costs, with continuously expanding application scenarios.
1. Metallurgy and Refractory Materials
As a refining agent for oxygen-free copper, it can efficiently remove impurities such as oxygen and iron in copper liquid through the carbothermal method, reducing the oxygen content of copper materials to below 10 ppm and significantly improving the purity and electrical conductivity of copper. This refined oxygen-free copper is widely used in high-precision electronic components and power transmission cables, where low impurity content is critical for performance. With simple and practical processes, low energy consumption, and stable refining effects, it has been widely adopted in the non-ferrous metal smelting industry, replacing some high-cost refining agents. Meanwhile, adding 5%-10% CaB₆ Powder to refractory materials such as alumina and magnesia can form a dense protective film on the material surface at high temperatures, effectively enhancing the high temperature resistance, oxidation resistance, and wear resistance of materials. This modification extends the service life of equipment such as metallurgical furnaces, high-temperature reactors, and ladles by 30%-50%, greatly reducing the maintenance costs and production downtime of industrial production.
2. Electronics and Superconducting Materials
It can be used to prepare high-phase-purity Ca/SrₓY₁₋ₓB₆ solid solutions through precise component control and high-pressure sintering technology, realizing the coexistence regulation of hardness (up to 32 GPa) and superconductivity (critical temperature up to 8 K). This functional material provides core support for the research and development of superconducting devices, high-end electron tubes, and quantum computing components, where both mechanical stability and superconducting performance are required. Its excellent electron emission characteristics, with a low work function of 2.5-3.0 eV, make it an ideal material for manufacturing cathodes of high-power electronic devices such as microwave tubes and vacuum switches. Compared with traditional barium-tungsten cathodes, CaB₆-based cathodes have higher emission current density and longer service life, effectively improving the operation stability and working efficiency of devices in harsh environments such as high voltage and high vacuum.
Packing & Shipping of Calcium Hexaboride CaB6 Powder
3. Aerospace and National Defense
When compounded into the surface protective coating of aircraft engine components and aerospace vehicles, CaB₆ Powder can form a thermal barrier coating with excellent performance, which can effectively resist high-temperature oxidation (up to 1000℃) and air flow erosion during high-speed flight. This coating reduces the material loss of key components such as turbine blades and combustion chambers, improving the safety and service life of aircraft. In addition, its high hardness and impact resistance, combined with good sintering performance, make it suitable for preparing lightweight bulletproof materials and high-end wear-resistant components for national defense equipment. For example, CaB₆-reinforced ceramic composites are used in armor plates and vehicle protective parts, which can effectively resist the impact of projectiles while reducing the overall weight of the equipment, perfectly adapting to the harsh use requirements of national defense equipment for both protection and mobility.
IV. Market Value and Development Prospects
With the continuous upgrading of fields such as metallurgy, aerospace, and electronic technology, the global demand for refractory boride materials is growing steadily at a compound annual growth rate (CAGR) of 5.8%. Driven by the rapid development of new energy vehicles and high-precision electronics, the demand for high-purity oxygen-free copper and functional superconducting materials is surging, further boosting the application of CaB₆ Powder. As a high-performance refractory material with excellent cost performance, Calcium Hexaboride (CaB₆) Powder has been expanding its market share in mid-to-high-end application scenarios due to its multi-scenario adaptability. Compared with other refractory borides such as titanium diboride (TiB₂) and zirconium diboride (ZrB₂), the price of CaB₆ Powder is only 1/3-1/2 of theirs, and its comprehensive performance is comparable, making its cost advantage particularly prominent in large-scale applications.
supplier
Luoyang Tongrun Nano Technology Co., Ltd. (TRUNNANO), Luoyang City, Henan Province, China, is a reliable and high-quality global chemical material supplier and manufacturer. It has more than 12 years of experience providing ultra-high quality chemicals and nanotechnology materials, including Calcium Hexaboride (CaB₆) Powder, nitride powder, Hexagonal boron nitride powder, sulfide powder, and 3D printing powder. If you are looking for high-quality and cost-effective Calcium Hexaboride (CaB₆) Powder, you are welcome to contact us or inquire at any time.
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