Alpha Alumina Powder

Alpha Alumina Powder

Calcined α-Alumina parameter

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Product Details

Calcined α-Alumina parameter

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

Main Purpose:    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

Main Purpose: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

Main Purpose:    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.


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