Alumina powder is made of industrial aluminum hydroxide or industrial aluminum oxide and calcined at appropriate temperature to form stable crystalline alpha-alumina products. Calcined alpha - alumina as raw material, through a large closed drum ball mill ,the Alumina is refined into alumina powder or sand.
Alumina is an industrial material used to produce aluminium ingots. Aluminum oxide powder can be used in such industries as electronic equipment, structural ceramics, refractory materials, wear-resistant materials, polishing materials, welding materials and ceramic pigment
Specification
item |
impurity content≤(%) |
ΑL2O3≥(%) |
LOI≤ |
α- ΑL2O3
≥(%) |
True Density≥(g/cm3) |
| |
Nα2O |
SiO2 |
Fe2O3 |
|
|
|
|
| AT-A |
0.2 |
0.03 |
0.02 |
99.5 |
0.10 |
94 |
3.94 |
| AT-A |
0.3 |
0.04 |
0.03 |
99.3 |
0.10 |
93 |
3.93 |
| Particle Size (D50μm): it can be adjusted appropriately according to your needs |
FAQ
Q: Are you factory?
A: Yes, we are factory.
Q: How is your quality?
A: We have top grade production equipment and precision measuring instruments and we also have engineers and technicians carry out quality control.
Q: Can you supply free samples?
A: 1kgs free sample is available, but freight charges will be at your account, The charges will be return to you or deduct from your order in the future.
Q: What about the payment?
100% T/T in advance, 30% T/T in advance, the balance 70% against the B/L copy, Irrevocable L/C at sight
Q: The MOQ is?
A: MOQ is usually 1 ton, special products can be coordinuted with each other.
Q: Can I visit your factory?
A: Yes, we welcome you to visit our factory at anytime
Q: How about your delivery time?
A: Usually the shipment is within 15 days after confirming receipt of your payment, some products maybe need longer time.
Audited Supplier 
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