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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 |
|
|
|
|
|
Impurity content |
|||||||
|
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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