Metallurgical Abrasive Grade Silicon Carbide Polishing Abrasive

Metallurgical Abrasive Grade Silicon Carbide Polishing Abrasive

1. Yannuo Black Silicon Carbide is used in coated abrasives, bonded abrasives, refractory, casting, sandblasting etc.
2. Yannuo Black Silicon Carbide is characteristic with Stable Chemical.
3. Yannuo is on the position to provide free sample, favorable price and fast delivery.
4. Yannuo is available to produce under JIS, FEPA, ANSI, and International ISO standard. We are also available to manufacture as clients special requests.
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Product Details

For many years, our company has focused on the manufacture of Refractory Brown Aluminum Oxide, refractory raw materials, abrasive grade bauxite and is one of most competitive suppliers in China. Before export of the product there is strict top quality control check during treatment as per international good quality standards. Reliable quality and good integrity service has brought a high reputation for our company . High quality and low price make us have a foothold in the fierce market competition.

Black Silicon Carbide Grain for Abrasives Usage

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         Black Silicon Carbide F36

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        Black Silicon Carbide F20

 

Black Silicon Carbide Introduction:

Black Silicon Carbide is also called black carborundum. This material is obtained from the synthesis of high purity quartz sand and petroleum coke as basic raw materials under high temperature in an electric resistance furnace. Compared with green silicon carbide, the purity, hardness, and brittleness of black SiC are lower. It contains 85-98% of SiC and the admixtures of Fe2O3, Al2O3, CaO, SiO2, MnO2. It is characterized by great hardness (9,2 in Mohs scale) and microhardness (circa 2940- 3320 KG/mm2). Besides, it has a good thermal conductivity, low thermal expansion (decreasing with temperature growth) and high strength ensure black sic widely used. It is hardness and sharpness makes it a very aggressive material for application in which high purity is requested. Sic is widely used in grinding wheels, lapping materials, and refractory raw materials.

 

Black Silicon Carbide Chemical Analysis: 

Purpose

Grain

Chemical(%)

SIC min

F.C max

Fe2O3max

Abrasive grade

F

12-80

98

0.20

0.6

90-150

97

0.30

0.8

180-220

96.5

0.30

1.2

240-1200

96

0.35

1.35

Refractory grade

Segments

0-1mm
  1-3mm
  3-5mm
  5-8mm

97

0.35

1.35

Fine
  Powder

-180mesh
  -200mesh
  -240mesh
  -320mesh

97

0.35

1.35

 

Black Silicon Carbide Physical Properties:

Color

Black

Hardness(Mohs)

≥9

Microhardness(kg/mm2)

2940-3320

Melting point()

2600

Maximum   temperature()

1900

True   density(g/cm3)

3.20-3.25

Bulk   density(g/cm3)

≥1.38

High thermal   conductivity(W/m-K)

100

Linear expansion   coefficient (at 900α·10-6K-1)

4.4

 

Applications:
• For making coated and bonded abrasives applications.
• Used in advanced refractory materials, functional ceramic sand metallurgical materials. 
• For grinding, lapping, precision casting, etc.

Our Advantages:
1.Professional manufacturer, more than 20 years of experiences
2.Ensure clients stable quality
3.Having our own testing laboratory which guarantees products quality
4.Available to deliver samples to clients before place an order. Trail order for testing is also workable.
5.Production capacity: over 40, 000 tons per year.

6.Available to customize according to clients specifications.

 

 

Granule specifics:
Macrogrit Sizes F12 to F220
0-1mm, 1-3mm, 3-5mm, 5-8mm, etc.

Grit No.

Micron

Grit No.

Micron

Grit No.

Micron

10

2360 ~ 2000

30

710 ~ 600

80

212 ~ 180

12

2000 ~ 1700

36

600 ~ 500

90

180 ~ 150

14

1700 ~ 1400

40

500 ~ 425

100

150 ~ 125

16

1400 ~ 1180

46

425 ~ 355

120

125 ~ 106

20

1180 ~ 1000

54

355 ~ 300

150

106 ~ 75

22

1000 ~ 850

60

300 ~ 250

180

90 ~ 63

24

850 ~ 710

70

250 ~ 212

220

75 ~ 53

 

Packaging:
1M/T woven bag or 25kgs woven/paper bag, Pallet available

Packing customizable upon negotiation

 


We have experienced development team and mature technology to customize suitable Metallurgical Abrasive Grade Silicon Carbide Polishing Abrasive for our customers. Our company with professional technical force and advanced production equipment to produce high-quality products, and then to price advantage, timely delivery, perfect service to win customers, win the market. Besides, our enterprise sticks to high-quality and fair value, and we also offer you fantastic OEM solutions to several famous brands.
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