Black Silicon Carbide Grit industry powder

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Qingdao
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TT OR LC
Min Order Qty:
10 m.t
Supply Capability:
500000 m.t/month

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Product Description:

Specifications of Black Silicon Carbide:


Black silicon carbide grit F 24-240, sic 98.5%min, F.C 0.2%max, Fe2O3 0.3%max. Packing:25kg bags be packed into 1mt big bags. 



- Description:

Black silicon carbide is produced at high temperature in an electric resistance type furnace with quarts sand and petroleum coke as its main raw materials. Its hardness is between fused alumina and synthetic diamond. Mechanical intensity of it is higher than fused alumina. It is sharp and has electrical and heat conductivity in some degree.



- Application:

    ♦As the abrasive: used for abrasive, such as grinding wheels, whetstone, grinding
     wheel, sand tiles etc.

    ♦As the metallurgical deoxidizer and high temperature material.

     Four main application areas of SiC: functional ceramics, advanced refractory,
     abrasives and metallurgical materials.

   ♦High purity single crystal, used to manufacture semiconductors, manufacture of
     silicon carbide fibers.

   ♦Silicon carbide is very hard, with excellent thermal conductivity, as a semiconductor
     and high temperature resistant to oxidation.

- Specification:

Grits: F12-90, F100-240.

SIZE

SIC

F.C

Fe2O3

F24-90

98.5%min

0.20%max

0.30%max

F100-150

98.0%min

0.25%max

0.30%max

F180-240

98.0%min

0.30%max

0.30%max

 

SIZE

BULK   DENSITY

HIGH   BULK DENSITY

F16-24

1.42-1.50

≥1.50

F30-40

1.42-1.50

≥1.50

F46-54

1.43-1.51

≥1.51

F60-70

1.40-1.48

≥1.48

F80

1.38-1.46

≥1.46

F90

1.37-1.45

≥1.45

F100

1.36-1.45

≥1.45

F120

1.34-1.43

≥1.43

F150

1.32-1.41

≥1.41

F180

1.31-1.40

≥1.40

F220

1.31-1.40

≥1.40

F240

1.31-1.39

≥1.39 

 



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Do chopsticks also cause cancer? Experts say, should not use too long, 3 to 6 months that change, pay attention to chopsticks material selection, use and maintenance. Have you noticed how often the chopsticks are changed at home? Recently, a news about the need for regular replacement of chopsticks, attracted the attention of Internet users. According to reports, hidden in the small groove in the chopsticks bacteria, may cause dysentery, gastroenteritis and other diseases, it is recommended that the public, chopsticks should be replaced at regular intervals of 3~6 months. This makes many people surprised, "used so many years chopsticks, do not know!"." Yesterday morning, in the south near Xi'an Renrenle supermarket shopping public Ms. Hao said. Subsequently, a random survey of 20 members of the public, of which 4 people said that in the six months of internal moving or kitchen renovation and replaced chopsticks. While the other 16 citizens, the number of chopsticks used in the home was 1~3 years. Especially for families with old people, chopsticks are updated more slowly. "The old man can't bear to throw it. He can't help it. Every time he comes to the restaurant, the chopsticks are not enough."." Liu said the public. In this regard, yesterday, director of the Xi'an Municipal Hospital of traditional Chinese Medicine Department of Gastroenterology physician Huang Yahui said, if the wood and bamboo chopsticks used for a long time, it is easy to breed bacteria sawdust loose.
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