Alumina Powder | 99.5% Min High Purity Calcined Powder
High purity calcined alumina powder
1.. 99.5% min2. Size: 1um-75um
3. Use: Ceramic, refractories, high voltage ceramics, polishing, glazing
4. Low water absorption rate
| Application: pressing, refractory, active-A Al2O3, polishing, glazing |
| pplication | Al2O3 | Na2O | Fe2O3 | SiO2 | TiO2 | LOI | True Density | a-Al2O3 | D50 | |||
| ≥ % | ≤ % | ≤ % | ≤ % | ≤ % | ≤ % | g/m3 | ≥ % | um | ||||
| Dry pressing | 99.7 | 0.08 | 0.02 | 0.018 | 0.006 | 0.15 | 3.96 | 96 | 75 | |||
| 99.6 | 0.1 | 0.02 | 0.018 | 0.006 | 0.15 | 3.95 | 95 | 75 | ||||
| 99.5 | 0.2 | 0.02 | 0.018 | 0.006 | 0.2 | 3.95 | 95 | 75 | ||||
| 99.4 | 0.3 | 0.02 | 0.018 | 0.006 | 0.2 | 3.93 | 93 | 75 | ||||
| Injection moulding | 99.5 | 0.15 | 0.02 | 0.018 | 0.006 | 0.15 | 3.95 | 95 | 75 | |||
| 99.7 | 0.1 | 0.02 | 0.018 | 0.006 | 0.1 | 3.96 | 96 | 75 | ||||
| Refractory series | 99.4 | 0.3 | 0.02 | 0.018 | 0.006 | 0.15 | 3.92 | 90 | 75 | |||
| 99.5 | 0.25 | 0.02 | 0.019 | 0.008 | 0.1 | 3.95 | 95 | 3 | ||||
| 99.4 | 0.3 | 0.02 | 0.018 | 0.006 | 0.15 | 3.95 | 95 | 43 | ||||
| 99.4 | 0.3 | 0.02 | 0.018 | 0.006 | 0.13 | 3.95 | 95 | 4 | ||||
| 99 | 0.3 | 0.02 | 0.02 | 0.006 | 0.2 | 3.9 | 90 | 43 | ||||
| Active A-Al2o3 | 98.8 | 0.15 | 0.02 | 0.15 | 3.95 | 95 | 1 | |||||
| 98.6 | 0.15 | 0.02 | 0.15 | 3.93 | 93 | 0.8 | ||||||
| Polishing series | 97 | 0.1 | 0.1-0.2 | 0.18-2 | 3.95 | 95 | 40-60 | |||||
| 97 | 0.1 | 0.1-0.2 | 0.18-2 | 3.95 | 95 | 4--5 | ||||||
| 98 | 0.1 | 0.05-0.6 | 0.18-0.2 | 3.97 | 95 | 4--5 | ||||||
| Glazing series | 99.6 | 0.2 | 0.02 | 0.018 | 3.95 | 95 | 55 | |||||
| 99.6 | 0.2 | 0.02 | 0.018 | 3.95 | 95 | 15 | ||||||
| 99.6 | 0.2 | 0.02 | 0.018 | 3.95 | 95 | 4 |




We accept customized designs, packing, logo or custom material. We can make custom design based on your inquiry. We provide NDA agreement to keep your design in private.
Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee your satisfaction.
Our business staff have 7~10 years of experience in the industry and can provide you with quality services. All your inquiries will be responded within 24 hours.
PROFESSIONAL
FULL SERVICE
PROTECTION FOR YOUR BENEFIT








Audited Supplier










