Boron Carbide

Boron carbide powder B4C

Boron Carbide is a remarkable ceramic material that stands out for its unique blend of properties, including its unparalleled hardness, low density, and neutron-absorbing capabilities.

Get A Quote
Contact Us

Overview of Boron carbide powder B4C

Boron Carbide (B4C) is a ceramic compound renowned for its exceptional hardness and wear resistance, ranking just below diamond and cubic boron nitride in terms of hardness. Composed of boron and carbon atoms arranged in a covalently bonded crystal structure, it exhibits unique physical and chemical properties that make it highly valuable in various industrial and military applications. Boron carbide’s high melting point, low density, neutron-absorbing capability, and extreme toughness further distinguish it among advanced materials.

Features of Boron carbide powder B4C

  1. Extreme Hardness: With a Mohs hardness of around 9.3 to 9.5, boron carbide is one of the hardest materials known, surpassed only by diamond and cubic boron nitride.

  2. Lightweight: Despite its hardness, boron carbide has a relatively low density of about 2.52 g/cm³, which makes it an attractive material for lightweight armor systems.

  3. Thermal Stability: It possesses excellent thermal stability, maintaining its properties up to temperatures around 2,000°C, making it suitable for high-temperature applications.

  4. Neutron Absorption: Boron carbide is a potent neutron absorber due to its boron content, making it ideal for nuclear shielding and control rods.

  5. Chemical Resistance: Resistant to most acids and alkalis, except for hydrofluoric acid and hot concentrated alkaline solutions, ensuring durability in corrosive environments.

  6. Abrasion Resistance: Its exceptional wear resistance makes it suitable for applications where friction and abrasion are prevalent, such as sandblasting nozzles.

Boron carbide powder B4C

(Boron carbide powder B4C)

Parameters of Boron carbide powder B4C

The Boron Carbide (B4C) powder is a hard, brittle material with high thermal conductivity and excellent wear resistance to metal surfaces. The parameter for boron carbide powder can vary depending on the specific type of B4C product, but it typically includes:

* Weight: The mass of the powder in grams.
* Porosity: The percentage of porosity or void volume of the powder.
* Purity: The level of purity of the Boron carbide powder, usually measured by its CMC value.
* Density: The density of the powder in grams per cubic centimeter (g/cm³).
* Thermal Conductivity: The ability of the powder to conduct heat.
* Wear Resistance: The ability of the powder to resist scratching and wear caused by metal surfaces.

Overall, the B4C powder is an important material in many industries due to its unique properties and capabilities. For example, it is used in the production of semiconductor devices, energy storage materials, and as a raw material for the production of other high-tech materials such as diamonds and metals.

Boron carbide powder B4C

(Boron carbide powder B4C)

Applications of Boron carbide powder B4C

  1. Armor Systems: Widely used in body armor, vehicle armor, and bulletproof vests due to its lightweight and superior protection capabilities.

  2. Nuclear Applications: As control rods and shielding material in nuclear reactors because of its neutron absorbing properties.

  3. Abrasive and Cutting Tools: In grinding wheels, polishing powders, and cutting tools due to its hardness and wear resistance.

  4. Industrial Nozzles: For sandblasting and water jet cutting applications where resistance to wear and erosion is critical.

  5. Military and Defense: As a component in armor-piercing projectiles and defensive systems.

Company Profile

MyCarbides is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality carbides and relative products.

The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are looking for high-quality carbide materials and relative products, please feel free to contact us or click on the needed products to send an inquiry.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.


It could be shipped by sea, by air, or by reveal ASAP as soon as repayment receipt.

FAQs of Boron carbide powder B4C

Q: Is Boron carbide powder B4C toxic?
A: Pure boron carbide is generally considered safe to handle. However, during machining or grinding, dust inhalation can be a concern, requiring proper ventilation and protective equipment.

Q: Can Boron carbide powder B4C be machined?
A: Due to its extreme hardness, machining boron carbide is difficult and requires specialized techniques and diamond tooling. Grinding, EDM (Electrical Discharge Machining), or laser cutting are common methods.

Q: How does Boron carbide powder B4C compare to tungsten carbide in terms of hardness?
A: Boron carbide powder B4C is harder than tungsten carbide, with a Mohs hardness of around 9.3 to 9.5 compared to tungsten carbide’s 8.5 to 9.

Q: What is the primary use of Boron carbide powder B4C in the military sector?
A: Boron carbide powder B4C is primarily used in the military for body armor, armored vehicles, and as a component in armor-piercing ammunition due to its combination of hardness, light weight, and ballistic performance.

Q: Can Boron carbide powder B4C be used in high-temperature applications?
A: Yes, Boron carbide powder B4C maintains its structural integrity and properties up to very high temperatures, making it suitable for use in extreme heat environments such as furnace linings and high-temperature ceramics.

Boron carbide powder B4C

(Boron carbide powder B4C)

Scroll to Top