High Purity Alumina

  • Description
Product Detail

Molecular formula: Al2O3, melting point: 2050 ?


99.995% high purity alumina series is mainly used for LED artificial sapphire crystal, advanced  ceramics, PDP phosphor and some high performance materials. As a sapphire crystal raw materials, according to different requirements can provide powder,  particle, block or column and other types.

It is mainly used for high pressure sodium lamp, new luminescent  material, special ceramic, advanced coating, trichromatic, catalyst and some high performance materials. According to different requirements can provide  powder, particles and other types.

Technical indicator:

Item



     Puirity
     (%)=


     paticle
     d50(µm)


     surface area
     (m2/g)


     bulk density
     ( g/cm3)

Impurity content
     (ppm)=

k

Na

Ca

Mg

Fe

Si

Ti

Cu

4N-40B

?-AL2O3

99.995

30-40

70-100

0.60-0.70

1

25

1

1

1

15

1

1

4N-D3

?-AL2O3

99.995

1-3

80-120

0.50-0.60

1

25

1

1

1

15

1

1

4N-40B

a- AL2O3

99.995

30-40

=5

0.70-0.80

1

25

1

1

1

15

1

1

4N-D3

a- AL2O3

99.995

3-5

=10

0.60-0.70

1

25

1

1

1

15

1

1

4NA

a- AL2O3

99.99

0.4-0.8*

5-20

0.25-0.32

50

10

2

2

15

15

1

2

 

Storage:

?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:

Type

Plastic bag

Super sack/Jumbo bag

Powder

25kg/55lb

1000kg/ 2200 lb


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