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Abrasive Grain Sizes: F40-F1500
Usage: Grinding and polishing
Material: B4C
Brand Name: SICHENG
color: Black

Specifications

High hardness Boron carbide powder, also known as B4C is Produced from high-temperature smelting boric acid and carbon materials in Electric furnaces.
Boron carbide is with high hardness up to Mohs' 9.3, which is the third Hard material besides Diamond and CBN.

 

Product Features:

1.      High-temperature resistance, Acid-alkali resistance

2.      Boron carbide can get a bigger Neutron interception area with high Neutron absorbability.

3.      High strength, high chemical Stability

4.      Low specific gravity 

 Boriding grade Boron Carbide B4C powder

TYPICAL PHYSICAL PROPERTIES:

Appearance

Black powder

Molecular Weight(g/mol.)

55.25515

Specific Heat(cal-mol-c)

12.5

Knoop hardness

2750

Mohs hardness

9.6

Micro Hardness

4950kgf/mm2

Density&phase

2.52g/cm(Solid)

Melting point

2350(2623.15K)

Boiling point

>3500(>3773.15K)

Solubility in Water

Insoluble

Crystal Structure

Rhombohedral

Chemical Composition:

Grit Size

Mean Diameter in Um

B%

C%

Fe2O3

B4C%

36#

600-500

78-81

17-22

0.2-0.4

97-99

40#

500-425

78-81

17-22

0.2-0.4

97-99

46#

425-355

78-81

17-22

0.2-0.4

97-99

54#

355-300

78-81

17-22

0.2-0.4

97-99

60#

315-215

78-81

17-22

0.2-0.4

97-99

80#

200-160

78-81

17-22

0.2-0.4

97-99

100#

160-125

78-81

17-22

0.2-0.4

97-99

120#

125-100

78-80

17-22

0.2-0.4

96-98

150#

100-80

78-80

17-22

0.2-0.4

96-98

180#

80-63

78-80

17-22

0.2-0.4

96-98

240#

60-50

77-80

17-22

0.3-0.5

96-97

280#

50-40

77-80

17-22

0.3-0.5

96-97

320#

40-28

77-80

17-22

0.3-0.5

96-97

F360/W40

35-28

76-79

17-21

0.3-0.6

95-97

F400/W28

28-20

76-79

17-21

0.3-0.6

95-97

F500/W20

20-14

75-79

17-21

0.4-0.8

94-96

F600/W14

10-14

76-79

18-22

0.3-0.7

94-97

F800/W10

10-7

74-78

17-21

0.4-0.9

92-94

F1000/W7

7-5

74-78

17-21

0.4-0.9

92-94

F1200/W5

5-3.5

75-78

18-22

0.1-0.8

90-94

F1500/W3.5

3.5-2.5

75-78

18-22

0.1-0.8

90-94

F2000/W2.5

2.5-1.5

75-78

18-22

0.1-0.8

90-94

W1.5

1.5-0.5

75-78

18-22

0.1-0.8

90-94

W0.5

0.5-0

75-78

18-22

0.1-0.8

90-94

 

Application:

1. Neutron Absorber for nuclear facilities, as reactor control rods and neutron-absorbing Shielding

2. Anti-radiation Coating for protection walls

3. Polishing Sapphire substrate

4. Coating of Wear-resistant electrode

5. Polishing hard Alloy such as tungsten carbide as lapping abrasive material

6. Wear resistance Liner such as bulletproof board and Armor

7. Anti-oxidant in Carbon-bonded refractory mixes

8. Wear parts such as Blasting nozzles, wire-drawing dies, powdered metal and ceramic forming dies, Thread guides.