.

China supplier B4C boron carbide powder F100 F120 F150

China supplier B4C boron carbide powder F100 F120 F150

neutron shielding additive B4C 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.

Properties:

  1. High temperature resistance, acid-alkali resistance
  2. Boron carbide can get bigger Neutron interception area with high Neutron absorb ability.
  3. High strength, high chemical stability
  4. Low specific gravity

TYPICAL PHYSICAL PROPERTIES

Appearance

Black powder

Molecular Weight(g/mol.)

Specific Heat(cal-mol-c)

Knoop hardness

2750

Mohs hardness

Micro Hardness

4950kgf/mm2

Bending strength

Min 400Mpa

Density&phase

Melting point

2450℃(2623.15K)

Boiling point

>3500℃(>3773.15K)

Solubility in water

Insoluble

Crystal structure

Rhombohedral

Available sizes:

F-macrogrit F40 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220

F-microgrit F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500

Fine powder:-100#,-200#,-325#,60-150#,25um-0,10um-0,3um-0

size

grit

mean diameter in um

B %

C %

Fe2O3 %

B4C%

F-macrogrit

F40

425

76-80

17-21.5

95-99

F46

355

F54

300

F60

250

F70

212

F80

180

F90

150

F100

125

F120

106

F150

75

F180

75-63

F220

63-53

F-microgrit

F230

D50=53

75-79

95-97

F240

D50=44.5

F280

D50=36.5

F320

D50=29.5

F360

D50=22.8

F400

D50=17.3

F500

D50=12.8

F600

D50=9.3

74-79

93-97

F800

D50=6.5

F1000

D50=4.5

F1200

D50=3.0

F1500

D50=2.0

Fine powder

100#-0

150max

75-80

17-21

200#-0

90max

325#-0

45max

60#-150#

250-75

25um-0

25max

10um-0

10max

3um-0

3max

Applications:



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