Поделиться:
Granularity Distribution (um) | |||||
Type | Granularity | DO Below | D3 Below | D50 value | D94 Above |
Coarse | 20#-90# | / | / | / | / |
100#-180# | / | / | / | / | |
220# | / | / | / | / | |
Powder | GC #240 | 120 | 100 | 57±3.0 | 40 |
GC #280 | 110 | 80 | 48±3.0 | 33 | |
GC #320 | 93 | 70 | 40±2.5 | 27 | |
GC #360 | 80 | 60 | 35±2.0 | 23 | |
GC #400 | 70 | 53 | 30.0±2.0 | 20 | |
GC #600 | 50 | 38 | 20.0±1.5 | 13 | |
GC #800 | 30 | 20 | 14±1.0 | 9 | |
GC #1000 | 25 | 17.5 | 11.5±1.0 | 7 | |
GC #1200 | 20 | 16.5 | 9.5±0.8 | 6 | |
GC #1500 | 18 | 15 | 8.0±0.6 | 4.8 | |
GC #2000 | 16 | 13 | 6.7±0.6 | 4 | |
GC #2500 | 15 | 13 | 5.5±0.5 | 3 | |
GC #3000 | 13 | 11 | 4.0±0.5 | 2 | |
GC #4000 | 11 | 8 | 3.0±0.4 | 1.3 | |
GC #6000 | 8 | 5 | 2.0±0.4 | 0.8 |
Macro /Grains | F Series | F16, F20, F22, F24. F30, F36, F40、F46, F54. F60, F70, F80, F90, F100F120, F150, F180, F220, F240 | |
Chemical composition | Sic | ≥99.5% | |
F.C | ≤0.2% | ||
Fe203 | ≤0.2% | ||
AL | 2PPM | ||
CA | 2PPM | ||
FE | 5PPM | ||
SiO2 | ≤0.4% | ||
magnet friction | 0.12% | ||
Physical Characteristics | PH | ≤7 | |
Hardness | 9-10 mohs | ||
Specific gravity | 3.2 g/ cm3 | ||
Bulk density | 0.75 - 1,82 g/cm3 | ||
Mohs hardness | 9.4 | ||
Melting point | 2600° (4712°F) | ||
Thermall conductivity | 210 btu/hr/ft2/in/°F at 400°F | ||
Thermal conductivity | 100 btu/hr/ft2/in/°F at16400°F | ||
Specific Gravity | 3.20 g/ cm3 | ||
Application | • Grinding wheel • Aviation field • Sandblasting • Coating • Polishing • Refractory industry • Composite and compound • Sawing ofsilicon, quartz and etc. |