• 98.5% Purity Black Silicon Carbide/SIC Manufacturer System 1
  • 98.5% Purity Black Silicon Carbide/SIC Manufacturer System 2
  • 98.5% Purity Black Silicon Carbide/SIC Manufacturer System 3
98.5% Purity Black Silicon Carbide/SIC Manufacturer

98.5% Purity Black Silicon Carbide/SIC Manufacturer

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
500 m.t./month

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1.Structure of Silicon Carbide Description

Silicon Carbide is made by a precision water classification process and air flow classification using material that is produced from the reaction between high purity silica sand and petroleum coke in a resistance-type furnace. Measuring 9.0+ on the MOHS scale of hardness, silicon carbide is one of the hardest abrasives known in the industry. The inherent friability of the sharp crystalline structure assures the continuous exposure of new cutting edges, which produces a faster and cleaner cutting performance.Silicon Carbide  powders are precisely graded to the particle size specifications set forth by the European FEPA “F” Microgrit Standard.Silicon Carbide powders are also available in sizes that are graded to the “JIS” Japanese Industrial Standard. Material is available in both Black and Green color.

 

2.Main Features of the Silicon Carbide

It is produced in a high temperature electric resistance-type furnace from a mixture of quartz sand and petroleum coke. The hardness of black silicon carbide is greater than fused alumina but less than synthetic diamond. Its mechancial intensity is greater than fused alumina, but is brittle and very sharp. The mineral has some electrical and heat conductivity. Black silicon carbide is typically used for machining or finishing cast iron ,non-ferrous metals, stone, leather, rubber, and other materials where sharp cutting characteristics are important. The mineral is also used widely as a refractory material or metallurgical additive. More detailed specifications can be supplied on your request.

3. Silicon Carbide Images

 

98.5% Purity Black Silicon Carbide/SIC Manufacturer

98.5% Purity Black Silicon Carbide/SIC Manufacturer

 

4. Silicon Carbide Specification

 

Crystal Form 

Alpha SiC hexagonal system

Chemical nature 

Slight acid 

Reaction with acids 

Very slight surface action with hydrofluoric acid 

Reaction with Alkalis 

Attacked at high temperature by alkalis and iron oxide

Oxidation-reduction effects

Starts to oxide slowly at 800oC. No reduction

True Density (g/cm3)

3.20

Hardness 

Knoop(kg/cm2) 

2200-2500 

Moh's 

9.5 

Color 

Black 

Color after firing 

Black 

Decomposition point 

2200oC

Max Usable temperature 

1540oC in air 

Specific heat (cal/g.oC) 

0oC 

500oC

1000oC

0.14

0.28

0.13

Coefficient of thermal conductivity 

(cal/cm2.sec.oC)

600oC 

800oC

1000oC

0.080

0.061

0.0510

Electrical resistivity ( Wcm) 

25oC 

100oC 

400oC 

800oC 

1400oC 

50 

46.4 

26.6 

7.8 

0.65

Coefficient of liner expansion (x10-6)

25oC-500oC 

25oC-1000oC

25oC-1500oC

25oC-2000oC

25oC-2500oC

4.63 

5.12 

5.48

5.77

5.94

Chemical Composition (% by weight)

Grit sizes

SiC

F.C

Fe2O3

12# - 90#

98.5 min

0.20 max

0.60 max

100# - 180#

98.0 min 

0.30 max

0.80 max

220# - 240#

97.0 min

0.30 max

1.20 max


 

5.FAQ of Silicon Carbide

1). Q: Are you a factory or trading company?

A: We are a factory.

2). Q: Where is your factory located? How can I visit there?

A: Our factory is located in ShanXi, HeNan, China. You are warmly welcomed to visit us!

3). Q: How can I get some samples?

A: Please connect me for samples

4). Q: Can the price be cheaper?

A: Of course, you will be offered a good discount for big amount.

 

 

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