Boron Carbide powder ( B4C )

 

Boron Carbide is a high performance abrasive material with chemical and physical properties similar to diamonds, such as, chemical resistance and hardness. 

Boron carbide’s extra hardness gives it the nickname “Black Diamond” (It ranks third after diamond and boron nitride) and is one of the leading grinding materials.

    Technical data


 


 

 Appearance (dry state):

Color

Black

Chemical Composition

Chemical Formula

B4C Application

 

Grade

Abrasive

Ceramic

Refractory

Nuclear

B + C min.

98

 

94

 

B (Boron) min.

74

74

77

 

C (Carbon) max.

24

22

17

 

B2O3

0.50

 

1.0

 

Fe (Iron) max.

0.2

 

0.5

 

Si (Silicon)

-

 

0.3

 

N (Nitrogen)

-

 

0.5

 

Physical Data

 

 

 

Knoop  hardness(0.1)

3000

Mohs hardness

< 9.5
Note: Diamond’s Mohs hardness is 10

Specific Gravity

2.51

Melting point

2723 °F

Structure

Monocrystalline

Availability of particle sizes :
Boron carbide grit sizes correspond to the specifications of the Federation
of European Producers of Abrasive Products (FEPA):

F100 (150/106 um)

F220 (75/45 um)

F360 (40/12 um)

F800 (14/2 um)

F120 (125/90 um)

F240 (70/28 um)

F400 (32/8 um)

F1000 (10/1 um)

F150 (106/63 um)

F280 (59/22 um)

F500 (25/5 um)

F1200 (7/1 um)

F180 (90/53 um)

F320 (49/16.5 um)

F600 (19/3 um)

F1500 (<5 um)


Other sizes in FEPA and USA Mesh System are available on request.
Standard packaging in 100 lb (30 gal.) fiber drums Custom packaging is
available on request.

 

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