Description
Calcined α alumina is also called high-temperature alumina. It has a white fine granular appearance. It is shaped by high-temperature calcination of industrial aluminum hydroxide or alumina raw materials. It has a high melting point (2053°C), good thermal stability, low impurity content, and excellent eletricity insulation; stable crystal structure, acid and alkali corrosion resistance; high hardness (Mohs hardness 9), excellent characteristics such as wear resistance. So it is widely used in ceramics, refractory materials, grinding and polishing, petrochemical industries and other industries.
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.
Complaint
