Boron Carbide

Boron carbide Boron carbide
Boron carbide Boron carbide
Boron carbide Boron carbide
Boron carbide Boron carbide
Boron carbide Boron carbide

Boron Carbide

Boron carbide (B4C) is a ceramic material that consists of boron and carbon atoms in a crystalline structure. It is one of the hardest materials known, ranking third after diamond and cubic boron nitride in terms of hardness. Due to its unique properties, boron carbide has numerous applications in various industries.

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Boron carbide’s hardness and wear resistance are its most notable properties. It has a Mohs hardness of 9.3, making it one of the hardest materials known to man. For comparison, diamond has a Mohs hardness of 10, but boron carbide is lighter and less brittle, making it easier to work with.

Boron carbide also has a high melting point, around 2,450°C, and is highly resistant to chemical attack. It has a low coefficient of thermal expansion, meaning it doesn’t expand or contract much with changes in temperature. This makes it useful in high-temperature applications where dimensional stability is important.

One of the most significant advantages of boron carbide is its exceptional hardness, which makes it suitable for use in ballistic armor and cutting tools. It is also lightweight and has a low density, making it an excellent material for aerospace applications. Boron carbide is highly resistant to wear and corrosion, which makes it an ideal material for wear-resistant coatings and components.

Boron carbide powder


High hardness

Boron carbide is one of the hardest materials, with a Mohs hardness of 9.3, making it ideal for abrasive applications.

High melting point

It has a high melting point of 2450°C, making it ideal for use in high-temperature applications.

Low density

It is one of the lightest ceramic materials, making it ideal for applications where weight is a concern.

Chemical resistance

Boron carbide is resistant to chemical corrosion and erosion, making it ideal for use in harsh environments.


Boron carbide chemical composition and grain size analysis table
Model/Grain Size

Basic Particle Size(micron)

Total Boron Content
Total Carbon Content
Ferric Oxide
F60 300-250 78-81 17-22 0.2-0.4 97-99
F80 212-180 78-81 17-22 0.2-0.4 97-99
F100 150-125 78-81 17-22 0.2-0.4 97-99
F120 125-106 78-80 17-22 0.2-0.4 96-98
F150 106-75 78-80 17-22 0.2-0.4 96-98
F180 75-63 78-80 17-22 0.2-0.4 96-98
F230 53.0±3.0um 77-80 17-22 0.3-0.5 96-97
F240 44.5±2.0um 77-80 17-22 0.3-0.5 96-97
F280 36.5±1.5um n-80 17-22 0.3-0.5 96-97
F320 29.2±1.5um 76-79 17-21 0.3-0.6 95-97
F360 22.8±1.5um 76-79 17-21 0.3-0.6 95-97
F400 17.3±1.0um 75-79 17-21 0.4-0.8 94-96
F500 12.8±1.0um 76-79 18-22 0.3-0.7 94-97
F600 9.3±1.0um 74-78 17-21 0.4-0.9 92-94
F800 6.5±1.0um 74-78 17-21 0.4-0.9 92-94
F1000 4.5±0.8um 75-78 18-22 0.1-0.8 90-94
F1200 3.0±0.5um 75-78 18-22 0.1-0.8 90-94
F1500 2.0±0.4um 75-78 18-22 0.1-0.8 90-94
F2000 1.2±0.3um 75-78 18-22 0.1-0.8 90-94
-325 -45um 75-80 17-21 0.1-0.5 95-97



It is widely used as an abrasive material for cutting, grinding, and polishing.


Boron carbide is used in body armor and armored vehicles due to its exceptional hardness and toughness.

Boron carbide applications

Nuclear reactors

It is used as a neutron absorber in nuclear reactors due to its high neutron absorption cross-section.


Boron carbide is used in abrasive water jet nozzles and sandblasting nozzles due to its high wear resistance.

Semiconductor industry

It is used in the production of semiconductor components due to its high thermal conductivity and low electrical resistivity.

Packaging & Shipping

We can offer 1MT/25Kg Woven plastic bags, and 25Kg Paper bags.

Our Boron Carbide is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

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