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Green silicon carbide SiC, GC
Product description of Green silicon carbide:
Green silicon carbide is produced at high temperature in an electric resistance type furnace with quartz sand and petroleum coke as its main raw materials. Its hardness is between fused alumina and synthetic diamond. The mechanical intensity of it is higher than fused alumina. It is brittle and sharp and has electrical and heat conductivity in some degree.
Usage of Green silicon carbide:
Green silicon carbide is suitable for processing hard alloy, metallic and non-metallic materials with hard and brittle features such as copper, brass, aluminum, magnesium, jewel, optical glass, ceramics, etc. Super powder of it is also a kind of ceramic material.
Type value of green silicon carbide physical chemical performance index
| Type | Grit | Chemical compositon (%) | Magnetic contents (%) | Range of buld dendity (g/cm3) | ||
| SiC | F.C | Fe2O3 | ||||
| GC | F46 | 99.39 | 0.10 | 0.09 | 0.0182 | 1.47 |
| F120 | 99.41 | 0.11 | 0.09 | 0.0097 | 1.40 | |
| F180 | 99.13 | 0.14 | 0.12 | 0.0058 | 1.30 | |
| F360 | 98.97 | 0.17 | 0.15 | 0.0108 | 1.28 | |
GC-B GC-P | F46 P40 | 99.05 | 0.15 | 0.14 | 0.0196 | 1.41 |
| F120 P120 | 98.65 | 0.16 | 0.13 | 0.0134 | 1.33 | |
| F180 P180 | 98.30 | 0.14 | 0.16 | 0.0112 | 1.27 | |
| F360 P600 | 98.10 | 0.19 | 0.21 | 0.0123 | 1.23 | |
For vitrified wheels and belts: GC
For organic wheels :GC-B
For sheets : GC-P
Green silicon carbide chemical composition & magnetic contents of China GB/T 2480-1996
| GB/T 2480-1996 | Chemical composition(%) | Magnetic contents | ||||
| Type | Grit size | SiC ≥ | F.C ≤ | Fe2O3 ≤ | Grit size | Magnetic Contents (%) ≤ |
GC
| F20-F90 P20-P100 | 99.0 | 0.20 | 0.20 | F16-F30 P12-P30 | 0.020 |
F100-F150 P120-P150 | 98.5 | 0.25 | 0.50 | F36-F60 P36-P60 | 0.017 | |
F180-F220 P180-P220 | 97.5 | 0.25 | 0.70 | F70-F120 P80-P150 | 0.015 | |
F230-F500 P240-P1000 | 97.0 | 0.30 | 0.70 | F150-F220 P180-P220 | 0.012 | |
F600-F800 P1200- | 95.5 | 0.40 | 0.70 | |||
| F1000-F1200 | 94.0 | 0.50 | 0.70 | |||
F20-F90 P12-P100 | 98.5 | 0.25 | 0.25 | F16-F30 P12-P30 | 0.035 | |
F100-F150 P120-P150 | 98.0 | 0.30 | 0.55 | F36-F60 P36-P60 | 0.030 | |
GC-B GC-P | F180-F220 P180-P220 | 97.0 | 0.30 | 0.80 | F70-F120 P80-P150 | 0.025 |
F230-F500 P240-P1000 | 96.5 | 0.35 | 0.80 | F150-F220 P180-P220 | 0.020 | |
F600-F800 P1200- | 94.5 | 0.45 | 0.80 | |||
| F1000-F1200 | 93.0 | 0.60 | 0.80 | |||
