Brown Corundum, Brown Aluminium Oxide

Brown Corundum, Brown Aluminium Oxide

1.Yannuo Brown Fused Alumina F Grain is widely used in sandblasting abrasive grit.
2.Yannuo Brown Fused Alumina F grain has high purity and high hardness.
3.Yannuo is available to supply Brown Fused Alumina for resin bonded grinding wheels and vitrified grinding wheels.
4.Yannuo is available to produce brown fused alumina under JIS, FEPA, ANSI, and International ISO standard. We are also available to manufacture brown fused alumina as clients special requests.
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We have established good cooperative relations with many companies, and our products are sold all over the world and are deeply loved by customers. We will continue to innovate to pursue the leading position in the White Fused Corundum, Brown emery abrasive, Refractory Brown Corundum market. Our company will be honest attitude for domestic and foreign customers to provide better quality and service. We hope that our employees will continuously learn new knowledge, master new technology and strive to improve their working ability and level. Please get hold of us freely. We are willing to give you the lowest price in the market, best quality and very nice sales service.


Brown Fused Alumina F Grain F12-220 in  Bonded Abrasives

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                         F36                                                                                             F24

Brown Fused Alumina Introduction

Brown Fused Alumina Grain belongs to the group of electro-corundum. It is also be called brown aluminum oxide, brown corundum, brown fused corundum or brown fused aluminum oxide. It is produced by the smelting of calcined bauxite in an electric arc furnace at temperatures more than 2000°C. Brown Fused Alumina is both a hard and tough material with high strength, making it an excellent abrasive grain for applications in making resin and vitrified grinding wheels, sandpaper, blasting media, metal preparation, lapping, polishing, grinding, and sandblasting. Brown fused alumina F grain is widely used in sandblasting media, making resin bonded grindings wheels and vitrified bonded grinding wheels.

Brown Fused Alumina Grain Chemical Analysis:

BFA Purpose

BFA Grain Size

BFA Chemical Composition%

Al2O3≥

Fe2O3≤

SiO2≤

TiO2

Cao

ABR-Resin Bonded 

F4-F80

95

0.3

1.4

1.5-3.8

0.45

F90-F150

94

0.3

1.5

1.5-3.8

0.50

F180-F220

93

0.3

1.5

1.5-3.8

0.50

ABV-Vitrified Bonded

F4-F80

95.5

0.3

1.2

1.7-3.4

0.42

F90-F150

94

0.3

1.2

1.7-3.4

0.45

F180-F220

93

0.3

1.4

1.7-3.6

0.45

Sandblasting

F16-F220

93





ABR--BROWN FUSED ALUMINA resin bonded grinding wheels

ABV--BROWN FUSED ALUMINA vitrified bonded grinding wheels

Notice: Special requirement of BROWN FUSED ALUMINA chemical composition can be negotiated.

Brown Fused Alumina Grain  Physical Properties:

Color

Brown

Hardness

9 Mohs Scale

Crystal Form

Alpha-alumina trigonal

Grain Shape

Angular

Melting point

Approx. 2000 °C

True Density

Approx 3.90 g/cm3

                    Bulk density(depending on grain size)

Approx. 1.5-2.12 g/cm

Brown Fused Alumina Grain Particle Size Distribution 

Grit

Brown Fused Alumina Grain Test Sieve

1

2

3

3 and 4

 5

W1, mm

Q1, %

W2, mm

Q2max, %

W3, mm

Q3min, %

W4, mm

Q3+Q4min, %

W5, mm

Q5 max, %

F4

8.00

0

5.60

20

4.75

40

 4.00

70

3.35

3

F5

6.70

0

4.75

20

4.00

40

 3.35

70

2.80

3

F6

5.60

0

4.00

20

3.35

40

 2.80

70

2.36

3

F7

4.75

0

3.35

20

2.80

40

 2.36

70

2.00

3

F8

4.00

0

2.80

20

2.36

45

2.00

70

1.70

3

F10

3.35

0

2.36

20

2.00

45

1.70

70

1.40

3

F12

2.80

0

2.00

20

1.70

45

1.40

70

1.18

3

F14

2.36

0

1.70

20

1.40

45

1.18

70

1.00

3

F16

2.00

0

1.40

20

1.18

45

1.00

70

-850

3

F20

1.70

0

1.18

20

1.00

45

-850

70

-710

3

F22

1.40

0

1.00

20

-850

45

-710

70

-600

3

F24

1.18

0

-850

25

-710

45

-600

65

-500

3

F30

1.00

0

-710

25

-600

45

-500

65

-425

3

F36

-850

0

-600

25

-500

45

-425

65

-355

3

F40

-710

0

-500

30

-425

40

-355

65

-300

3

F46

-600

0

-425

30

-355

40

-300

65

-250

3

F54

-500

0

-355

30

-300

40

-250

65

-212

3

F60

-425

0

-300

30

-250

40

-212

65

-180

3

F70

-355

0

-250

25

-212

40

-180

65

-150

3

F80

-300

0

-212

25

-180

40

-150

65

-125

3

F90

-250

0

-180

20

-150

40

-125

65

-106

3

F100

-212

0

-150

20

-125

40

-106

65

-75

3

F120

-180

0

-125

20

-106

40

-90

65

-63

3

F150

-150

0

-106

15

-75

40

-63

65

-45

3

F180

-125

0

-90

15

-75

40

-63

65

-53


F220

-106

0

-75

15

-63

40

-53

60

-45


 W1, W2, W3, W4, W5 mesh size

Q1, Q2, Q3 - rest of brown fused alumina grain on sieves 1,2 and 3

Q3+Q4 - total rest of brown fused alumina  grinding material on sieves 3 and 4

Q5 - rest of brown fused alumina grinding material on pallet

Brown Fused Alumina Grain Applications:

Reusable abrasive grain

Grinding, lapping and polishing abrasive materials

Ceramic grinding wheels and grinding media

Sandblasting abrasive materials

Brown Fused Alumina Available Grain Size:

F12, F14, F16, F20, F22, F24, F30, F36, F40, F46, F54, F60, F70, F80, F90, F100, F120, F150, F180, F220

Brown Fused Alumina Grain Package:

1M/T big bag or 25kgs bag, Pallet available

FAQ

Question 1: Are you a manufacturer or trader?

Yannuo is Brown Fused Alumina, White Fused Alumina manufacturer, and exporter. Our plant located in Luoyang, Henan province in the middle of China, which is one of the biggedt production base of brown fused alumina and white fused alumina in abrasive and refractory grade. We strive to supply our customer stable and high quality abrasive and refractory raw materials by setting up QC department which makes a strict inspection of goods quality.

Question 2: If we want to inspect brown fused alumina sample quality, how long it will take to receive samples? 

We could arrange the existing samples express delivery immediately. For any special samples requirement, it needs max 7 days finished. Usually, we send samples by TNT, FEDEX, DHL, or UPS.

Question 3:  Can you customize quality, size, package according to the customer?
Yes, of course. OEM is available in our factory. We will do as customer requirement and print in customer company logo.
Question 4: What’s your MOQ?

Our MOQ is 10Ton.

Question 5: What's payment terms?
We accept T/T, L/C at sight.

Question 6: What's lead time?
1)The lead time will be around 20days for quantity below 50tons.

2)The lead time will be around 30 days for quantity 50-150tons.

Question 7Which country do you mainly export to? 
India, South Korea, Russia, Singapore, America, Thailand, Vietnam, Malaysia, Poland, Italy, Netherlands, and so on. 

We develop new models of the Brown Corundum, Brown Aluminium Oxide very fast, and we can respond quickly to the latest needs of the market. We are willing to use 'exquisite products, leading technology, high-quality service, innovative team' for the operation and development of customers at home and abroad. We hope to gather the power of change, share opportunities, and rewrite the future with a coordinated development attitude.
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It is available to produce as customer requirements.

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