Calcium boride powder is a high-performance ceramic powder with a unique crystal structure, appearing black or grayish-black in appearance. Renowned for its exceptional hardness, excellent electrical conductivity, and outstanding neutron absorption capabilities, it serves as a critical raw material in high-temperature structural materials, specialty functional coatings, and the nuclear industry.
We specialize in producing and supplying high-purity calcium hexaboride powder with customizable particle sizes to meet the stringent requirements of diverse applications. For specific technical specifications or sample requests, please contact us at any time.
Exceptional Physical Properties
High neutron absorption cross-section
Superior thermal stability
High purity and customizable particle size
Nuclear Industry & Radiation Shielding: Serves as an efficient neutron absorber in nuclear reactor control rods, shielding materials, and spent fuel storage.
Advanced Refractories: When incorporated into oxide or non-oxide refractories, significantly enhances high-temperature strength, thermal shock resistance, and resistance to molten metal erosion.
Wear-Resistant Coatings and Composites: Serves as a reinforcing phase in metal- or ceramic-matrix composites, or forms extremely wear-resistant and corrosion-resistant protective coatings via thermal spraying.
Electron Emission Materials: Its low work function and excellent conductivity make it a preferred material for high-efficiency electron emission cathodes (e.g., electron microscope cathodes).
Q1: What are the primary chemical properties of calcium hexaboride powder?
A1: Calcium hexaboride exhibits relatively stable chemical properties but may oxidize in air at elevated temperatures (e.g., above 800°C). High-temperature processing is recommended under inert atmospheres, while routine storage requires dry conditions.
Q2: What are the main differences in application between powders of different particle sizes?
A2: Particle size directly affects the powder’s sintering activity, dispersion in composite materials, and the degree of densification in the final product. Nanoscale powders exhibit higher activity and are more conducive to low-temperature sintering for fine-grained materials; micron-scale powders offer advantages in process controllability and cost.
Q3: What are the potential health impacts of this product, and what precautions should be taken during handling?
A3: As a fine particulate powder, avoid inhalation or eye contact. Handling should be conducted in a fume hood while wearing appropriate personal protective equipment (PPE), such as dust masks, gloves, and safety goggles, in accordance with chemical safety protocols.
Q4: Can surface-modified powders be provided to meet my specific process requirements?
A4: Yes. We offer targeted surface treatment services, such as coating or modification, to enhance powder dispersion and interfacial bonding within specific matrices (e.g., polymers, metals). Please consult our technical team for details.
Each batch is supplied with:
Certificate of Analysis (COA)
Technical Data Sheet (TDS)
Material Safety Data Sheet (MSDS)
Third-party testing reports available upon request
As a specialized supplier of boron compounds, we go beyond standard calcium hexaboride products to serve as your solution partner for technical challenges. Leveraging advanced synthesis and purification technologies, we ensure consistent purity, particle size, and performance across all products.
Molecular Formula: CaB₆
Molecular Weight: 214.75 g/mol
Appearance: Black or dark gray powder
Density: 2.46 g/cm³
Melting Point: 2,350 °C
Crystal Structure: Hexagonal
Inner Packaging: Vacuum-sealed bags and boxed to prevent contamination and moisture.
Outer Packaging: Cartons or wooden crates selected based on size and weight.
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