- Min.Order :1 Kilogram
- Purity: 99.99%
- Payment Terms : T/T
Keywords
high purity alumina alumina ceramic powders polishing, Alfa,Gamma
Quick Details
- Appearance:white power
- Application:the artificial crystal，advanced ceramics，lithium battery separator coating，electronic ceramics，biological ceramics，polishing，lamp，other high technology fields
- PackAge:N.W 25kg/bag
- ProductionCapacity:1|Metric Ton|Week
- Storage:Sealed, stored in a cool, dry place, to prevent moisture
- Transportation:sea , air
Superiority:
Details:
High –purity ultrafine alpha alumina
分子式Molecular Formula：Al2O3
分子量Molecular Weight：101.96
CAS No.：1344-28-1
EINECS No：215-691-6
MDL：MFCD00003424
技术指标 Specifications:
|
Parameters |
UPC998MF |
UPC868MF |
UPC668MF |
UPC100MF |
UPC12MF |
|
|
Appearance |
white powder |
white powder |
white powder |
white powder |
white powder |
|
|
Crystal |
α |
α |
α |
α |
α |
|
|
purity，% |
99.99 |
99.95 |
99.9 |
99.9 |
99.7 |
|
|
Dv10，μm ≧ |
0.2 |
0.2 |
0.2 |
0.45 |
0.45 |
|
|
Dv50，μm |
0.40-1.0 |
0.45-1.0 |
0.45-1.0 |
1 |
1 |
|
|
Dv90，μm ≦ |
3 |
3 |
3 |
2.5 |
2.5 |
|
|
Dv99，μm ≦ |
6 |
6 |
6 |
--- |
--- |
|
|
Loose Density，g/cm3 |
0.35～0.55 |
0.35～0.55 |
0.35～0.55 |
0.35～0.55 |
0.40-0.60 |
|
|
Tap Density，g/cm3 |
1.0～1.35 |
1.0～1.35 |
1.0～1.35 |
1.0～1.35 |
1.0～1.35 |
|
|
BET，m2/g |
4.0～9.0 |
4.0～9.0 |
4.0～9.0 |
6.0～9.0 |
6.0～9.0 |
|
|
pH |
6.5-9.0 |
6.0-9.0 |
6.0-9.0 |
7.0-9.0 |
7.0-9.0 |
|
|
Moisture，ppm≦ |
3500 |
5500 |
6000 |
5000 |
5000 |
|
|
Impurity element contents,≦ppm |
（Fe） |
35 |
50 |
100 |
50 |
35 |
|
(Na) |
30 |
200 |
300 |
800 |
1000 |
|
|
(Ca) |
20 |
100 |
200 |
20 |
20 |
|
|
(K) |
10 |
50 |
100 |
10 |
10 |
|
Properties : Alumina chemical formula Al2O3, is the main element of the bauxite; White powder, with different crystal type, common is alpha-Al2O3 and gamma-Al2O3;Alpha- Al2O3 six-party close packing of crystal, commonly known as corundum, its melting point 2045 ℃, the density of 3.965 g/cm3, hardness of 8.8, insoluble in water, acid or alkali; Gamma Al2O3 cubic close packing of crystal, insoluble in water, but soluble in acid and alkali, is typical of both sexes oxide.
Usage: Use for lithium battery diaphragm coated and electrode materials, precision polishing materials, alumina ceramic substrate, high purity alumina grinding ball, zirconium oxide grinding ball flexibilizer, electronic packaging materials, carbon reduction method in the production of aluminum nitride materials, thermal engineering plastic packing, senior refractories, spark plugs, inorganic membranes and biological functions such as ceramics and structure of ceramic materials.
Packing: The outer packing nylon bags, lined with aluminum foil bag, net weight 25 kg/bag.
Storage: Sealed store in a cool, dry place, prevent to be affected with damp be affected with damp.
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