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95% Purity Al2O3 Brown Fused Aluminum Oxide For Coated And Bonded Abrasives

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seat: Henan
Validity to: Long-term effective
Last update: 2017-08-04 03:00
Browse the number: 515
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YANNUO BROWN FUSED ALUMINA

Brown Fused Alumina F Grain for Bonded Abrasives


Brown Fused Alumina P Grain for Coated Abrasives


Brown Fused Alumina for Refractory

Brown Fused Alumina Roasted


Introduction:
Brown Fused Alumina belongs to the group of electro-corundum. It is also be called brown aluminum oxide, brown 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. It is both a hard and tough material with high strength, making it an excellent abrasive grain for applications in making grinding wheels, sandpaper, blasting media, metal preparation, lapping, polishing, and grinding. Its thermal properties also make it an excellent material for refractories. 


Chemical Analysis:%

Aluminum Oxide

Al2O3

95.5max

Silicon Dioxide

SiO2

1.5max

Titanium Dioxide

TiO2

1.5-3.2

Iron Oxide

Fe2O3

0.3max

Calcium Oxide

CaO

0.45max


Physical Properties:

Color

Brown

Hardness

9 mohs

Grain Shape

angular

Melting point

Approx.1950°C

Specific Gravity

approx 3.9-4.1 g/cm3

Bulk density(depending on grain size)

Approx.1.5-2.12 g/cm3


Applications:
• Reusable abrasive grain
• Grinding, lapping and polishing medium
• Ceramic grinding wheels and grinding media
• Sandblasting abrasive materials
• High alumina refractory brick, road surface preparation


Available Grain Size:
P12-220 Grain              Coated Abrasives(roasted at temperature of 1050℃ and 1350℃)
F12-220 Grain              Bonded Abrasives(Resin bonded and vitrified bonded grain)
0-1mm, 1-3mm, 3-5mm, 5-8mm, etc.  Refractory Materials(tilting furnace and stable furnace)


Available Grain Size:

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


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


Our Advantages:
1.Professional manufacturer, more than 20 years experiences
2.Ensure clients stable quality
3.Having our own testing laboratory which guarantee products quality
4.Available to delivery sample 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 customized according clients specifications.


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