Black/Green Silicon Carbide for Abrasive & Refractory

Black/Green Silicon Carbide for Abrasive & Refractory

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

Our goal is to make our brand recognized, promoting the development of Synthetic Silicon Carbide, Heat Treated Brown Aluminum Oxide, Brown Aluminum Oxide towards an intelligent, high-efficient, energy-saving and environmental-friendly trend. Our company will adhere to the long-term service concept of 'use our efforts to create customers' brilliance', and look forward to developing more extensive cooperation with customers all over the world with excellent products and efficient services. We provide personalized services according to the characteristics of different types of customers, and proactively formulate perfect service standards for more customers. We usually continually offer you the most conscientious consumer services, along with the widest variety of designs and styles with finest materials. We will connect all parties with trust by building a service platform for the whole industry chain and building an industrial ecological chain of "co-construction, sharing and win-win".

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 know that we only thrive if we can guarantee our combined rate competiveness and good quality advantageous at the same time for Black/Green Silicon Carbide for Abrasive & Refractory. We will continue to use diversified thinking and talents to deal with opportunities and challenges, and continue to provide consumers with services in a meaningful way. Although everyone has different definitions of success, we do our best to help each employee fully display his or her intelligence at work.
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