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Abrasives And Refractory Grade White Fused Alumina Grit

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seat: Henan
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Last update: 2017-09-29 23:10
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YANNUO WHITE FUSED ALUMINA

White Fused Alumina for Abrasives

White Fused Alumina for Refractory


Introduction:
White fused alumina belongs to electro-corundum. It is also be called white aluminum oxide, white corundum or white fused aluminum oxide. White fused alumina is obtained from the fusion of high purity calcined alumina in electric arc furnaces. Compared with brown fused alumina, white fused alumina is characterized with high alumina purity, high hardness, chemical stability, high melting point, and large crystal size. It is widely used in coated and bonded abrasives, polishing, precision casting, sandblasting and refractory raw materials.


Chemical Analysis: 

Al2O3

99.50%

SiO2

0.15%

Fe2O3

0.03%

Na2O

0.30%

CaO

0.02%


Physical Properties:

Color

White

Crystal System

Trigonal system

Mohs Hardness

≥9

Melting Temperature(℃)

2250

Refractory Temperature(℃)

1900

True Density

≥3.5

Grain shape

Block, with sharp edges

Specific gravity

Approx. 3,9 - 4,1 g/m³

Bulk density
(Dependent on grain size)

Approx. 1,4 - 1,9 g/m³


Applications:

• Reusable sandblasting abrasive grain
• Grinding, lapping and polishing medium
• Coated and bonded abrasives grain materials
• Precision casting
• Refractory raw materials
• Ware-resistance
• Road surface preparation


Available Grain Size
P12-220 Grain for coated abrasives
F 12-220 Grain for bonded abrasives and sandblasting
0-1mm, 1-3mm, 3-5mm, 5-8mm, etc for refractory materials

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 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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