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#
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