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99.995% Alumina powder with excellent free-flow propertiesWe devoted ourselves to High purty alumina many years,covering most of Europe ,east Aisia and the Americas market.
We are expecting become your long team partner in China.
High purity alumina by virtue of its chemical stability, high melting point, high mechanical strength, high hardness, good thermal conductivity, high insulation and other properties. They’re manufactured by the improved Bayer process.
| Specification Details |
| Product Typical Properties | 4N5G-40B |
4N5A-40B |
||
Crystal Structure |
γ |
α |
||
Average Particle Size |
〔D50,um〕 |
35-45 |
35-45 |
|
Loose Bulk Density |
〔g/cm3〕 |
0.55-0.65 |
0.65-0.75 |
|
BET Surface Area |
〔m2/g〕 |
70-120 |
≤5 |
|
Purity(Al2O3)≥ |
〔%〕 |
99.995 |
99.995 |
|
|
Impurity≤ |
Na |
〔ppm〕 |
30 |
30 |
Ca |
〔ppm〕 |
1 |
1 |
|
Mg |
〔ppm〕 |
1 |
1 |
|
Fe |
〔ppm〕 |
1 |
1 |
|
Si |
〔ppm〕 |
17 |
17 |
|
Ti |
〔ppm〕 |
1 |
1 |
|
Cu |
〔ppm〕 |
1 |
1 |
|
Packing |
drum/big bag |
25/500kg |
25/500kg |
|
 |
 |
|||
| 4N5G-40B | 4N5A-40B | |||
|
4N5G-40B Average Particle Size (by Malvern 2000)
| ||||
http://www.honghechemical.com/