Black carborundum powder
Black carborundum powder chemcial composition:
| Properties
Type |
Micropowder | |||
| W | W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5 | |||
| FEPA | F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 | |||
| JIS | 240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# | |||
|
Guarantee Value |
Typical Value |
|||
| Chemical
Composition |
SIC | ≥97 |
97.5 |
|
| F.C | ≤0.3 |
0.2 |
||
| Fe2O3 | ≤0.2 |
0.15 |
||
| H2O3 | ≤1 |
0.3 |
||
Black carborundum powder Physical and Chemical Composition
|
Physical Properties |
|
|
Hardness: Knoop |
2600 |
|
Hardness: Mohs |
9.4 min |
|
Melting Point |
4712°F (2600°C) |
|
Thermal Conductivity* |
210 btu/hr/ft2/in/°F at 400 °F |
|
Specific Gravity |
3.2 g/cm3 |
|
Particle Shape |
Blocky, Sharp |
|
Color |
Green |
|
Typical Chemical Analysis |
|
|
Total SiC |
99.05% |
|
Total SiO2 |
0.2% |
|
Total Si |
0.03% |
|
Total Fe |
0.04% |
|
Total C |
0.1% |
Applications
Bonded abrasive tool
Coated abrasive tool
Reusable abrasive
Grinding,lapping & polishing medium
Resin/Ceramic grinding wheels & grinding media
Typical Size
JIS-microgrit-Sizes-bonded
240#280#320#360#400#500#600#800#1000#1200#1500#2000#3000#4000#6000#8000#10000#
