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Silicon Carbide

Silicon Carbide

Black Silicon Carbide

Black 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. The abrasives made of it are suitable for working on cast iron, non-ferrous metal, rock, leather, rubber, etc. It is also broadly used as refractory material and metallurgical additive.

Type value of black silicon carbide physical chemical performance index:

Type Grit Chemical Composition % Magnetic Contents % Range of bulk density (g/cm3)
SiC F.C Fe2O3
C F46 99.23 0.10 0.12 0.0107 1.51
F120 99.28 0.13 0.08 0.0090 1.41
F180 99.87 0.12 0.19 0.0089 1.34
F360 98.45 0.15 0.19 0.0098 1.29
C-B
C-P		 F46 P40 98.86 0.16 0.16 0.0150 1.45
F120 P120 98.93 0.17 0.16 0.0119 1.40
F180 P180 98.31 0.19 0.23 0.0094 1.30
F360 P600 98.21 0.15 0.18 0.0108 1.27


For vitrified wheels and belts: C
For organic wheels: C-B      
For sheets: C-P                
 
Reference chemical composition of silicon carbide (TN) of non-abrasives application:

Type Reference Chemical Composition % Size(mm)
SiC F.C Fe2O3
  TN98   ≥98.00 <1.00 <0.50 50~0
  TN97   ≥97.00 <1.50 <0.80 13~0
  TN95 ≥95.00 <2.50 <1.00 10~0
  TN90 ≥90.00 <3.00 <2.50   5~0
  TN88 ≥88.00 <3.50 <3.00 0.5~0
TN85 ≥85.00 <5.00 <3.50 100F
  TN60 ≥60.00 <12.00 <3.50 200F
  TN50 ≥50.00 <15.00 <3.50 325F

 

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 Composition % Magnetic Contents % Range of bulk density (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                

The application of Silica Carbonate:

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