Boron carbide powder B4C -325#mesh refractory material
Size |
boron carbide powder -325# |
|
Chemical Composition(%) |
B |
75-81 |
C |
17-22 |
|
Fe2O3 |
0.1-0.9 |
|
B+C |
90-99 |
|
Physical Properties |
Appearance |
Black powder |
Molecular Weight (g/mol.) |
55.25515 |
|
Specific Heat (cal-mol-c) |
12.5 |
|
Knoop Hardness |
2750 |
|
Mohs Hardness |
9.3 |
|
Micro Hardness |
4950kgf/mm2 |
|
Density & phase |
2.52 g/cm (Solid) |
|
Melting point |
2350 °C (2623.15 K) |
|
Boiling point |
>3500 °C (>3773.15 K) |
|
Solubility In Water |
Insoluble |
|
Crystal Structure | Rhombohedral | |
Application |
· boron carbide powder is well suited to a variety of industrial applications including:
· Abrasives for lapping and ultrasonic cutting · Anti-oxidant in carbon-bonded refractory mixes · Armor · Nuclear applications such as reactor control rods and neutron absorbing shielding · Wear parts such as blasting nozzles, wire-drawing dies, powdered metal and ceramic forming dies, thread guides |
|
Available Sizes |
· JIS Standard | 0-1mm1-3mm 3-5mm 5-8mm
#60 #70 #80 #90 #100 #120 #150 #180 #220 #240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000 |
· FEPA Standard | 0-1mm1-3mm 3-5mm 5-8mm
F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 |
20kgs boron carbide powder/bucket