112 micron average particle size. Commonly used as an additive to concrete. Boron content less than 75%. NQA certs are available. Call to discuss. This item cannot be purchased on-line.
Technical data
|
• Appearance (dry state): |
Color |
Black |
|
• Chemical composition: |
Chemical formula: |
B4C Application |
|
|
Grade |
NG (Nuclear) |
|
|
B + C min. |
98 |
|
|
B (Boron) min. |
76 |
|
|
C (Carbon) max. |
24 |
|
|
B2O3 |
0.1 |
|
|
Fe(Iron) max. |
0.1 |
|
|
Si(Silicon) |
0.01 |
|
|
N (Nitrogen) |
0.5 |
|
|
Isotope B10 (atomic weight) |
19.5-21.5% |
|
•Physical data: |
Knoop hardness(0.1) |
3000 |
|
|
Mohs hardness |
<9.5 |
|
|
Specific gravity: |
2.51 |
|
|
Melting point: |
2723 °F |
|
|
Structure: |
Monocrystalline |
Common Nuclear Grades:
|
|
UKA Grade |
Average
Particle Size |
Typical Application |
Notes |
|
1. |
NG112M |
112 micron |
Additive to concrete |
B<75% |
|
2. |
NG36L |
36 micron |
B<70% |
|
3. |
NG24H |
24 micron |
Nuclear Shielding Panels, Reaction Control Rods,
Etc. |
B>76% |
|
4. |
NG24HE |
24 micron |
B>76% + Enhanced Heat Transfer Capability |
|
5. |
NG100H |
100 micron |
B>76% |
|
6. |
NG100HE |
100 micron |
B>76% + Enhanced Heat Transfer Capability |
|
7. |
NG6H |
6 micron |
B>76% |
|
8. |
NG6HE |
6 micron |
B>76% + Enhanced Heat Transfer Capability |
|