Calcined Alumina Powder

Calcined Alumina Powder

Shandong Bairui produce and supply several kinds of calcined alumina powder and α alumina powder.

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Product Details

Calcined  Alumina powder for polishing: 

Using a unique production  process, the use of advanced production equipment at home and abroad, through  rigorous production processes made. The product has the following superior  performance:
 ● crystal phase  stability, high hardness, small particles and uniform distribution;
 ● grinding power,  polishing fast, bright light, the mirror effect is good;
 ● high grinding  efficiency, good polishing effect, grinding efficiency is much higher than that  of soft abrasive such as silica, the surface finish is better than that of  white corundum, strong cutting force, fast light, can throw a uniform and  bright


Calcined  alumina powder for painting

The  specification of α alumina Powder and  application of α alumina Powder:

Type

Specification

Chemical Composition

Physical    Characteristics

Al203
     %

Na2O
     %

SiO2
     %

Fe2O3
     %

α-Al203
     %

True density
     g/cm3

Primary
     Particle
     Size
     μm

Specific
     Surface
     Area
     ㎡/g

Mean
     Particle
     Size
     D50, μm

Low Soda Calcined α-Alumina,Original Powder

ND-10

A5113

≥99.5

0.10

0.03

0.02

95

3.95

1

2.2

 

ND--20

A6032

≥99.6

0.07

0.03

0.02

96

3.96

3

1.2

 

ND--40

A7041

≥99.6

0.05

0.03

0.02

97

3.97

4

1.0

 

Low Soda Calcined α-Alumina,Micropowder

ND--1G

A5113g1

≥99.3

0.10

0.15

0.02

95

3.95

1

2.6

1.5±0.5

ND--3G

A6032g3

≥99.5

0.07

0.13

0.02

96

3.96

3

1.8

3±0.5

ND--5G

A7042g5

≥99.5

0.05

0.10

0.02

97

3.97

4

1.2

5±0.5

Application of this α alumina Powder: spark plug,  electronic substrate, electric vacuum tubes,  ceramic boby, etc.

Medium Soda Calcined α-Alumina,Original Powder

NDM--30

A3224

≥99.5

0.18

0.03

0.02

93

3.93

2

3.5

-

ND-M-40

A5234

≥99.5

0.15

0.03

0.02

95

3.95

3

3.5

-

Medium Soda Calcined α-Alumina,Micropowder

ND-M-3G

A3224g2

≥99.2

0.18

0.15

0.03

93

3.93

2

3.5

3±0.5

ND-M-4G

A5234g4

≥99.3

0.15

0.15

0.03

95

3.95

3

3.5

4±0.5

Application of this α alumina Powder: ceramic roller, high alumina ceramic ball and lining,    Shaped and monolithic refractories etc.

Ordinary Soda Calcined α-Alumina, Original Powder

AP-30

A3314

≥99.5

0.28

0.03

0.02

93

3.93

1

3.5

-

AP-40

A5324

≥99.5

0.25

0.03

0.02

95

3.95

2

3.5

-

Ordinary Soda Calcined α-Alumina, Micropowder

AP-1G

A3314gl

≥99.0

0.28

0.2

0.02

93

3.93

1

3.5

1±0.5

AP-2G

A3314g2

≥99.2

0.28

0.15

0.02

93

3.93

1

3.5

2±0.5

AP-3G

A3314g4

≥99.3

0.25

0.1

0.02

95

3.95

2

3.5

4±0.5

Application of this α alumina Powder: refractory materials, lapping & polishing,    chemical ball filler,etc.

Note: In addition to the above products, but also can  do R&D and production to provide a kind of products according to the requirements of the customers.


Storage of calcined alumina powder:

●Avoid moisture, avoid scrolling, throw  and sharp shocking during transportation, rainproof facilities should be  readied..

●It should be stored in dry and  ventilated warehouseto prevent contamination or moisture.


Package of calcined alumina powder:


Type

Plastic bag

Super sack/Jumbo bag

Powder

25kg/55lb

1000kg/ 2200 lb



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