Complaint
Alpha alumina powder for refractory castables
The calcined alumina of our company is produced by the general international law of Bayer, boron free rotary kiln calcined, in addition to sodium washed by water, greatly improving the product quality, purity and stability, and the bulk density of ceramic products, mohs hardness and ability to withstand voltage, etc.
Production Process
| Application | Model | Al2O3 | Na2O | Fe2O3 | SiO2 | TiO2 | LOI | True density | a-Al2O3 | D50 | Particle size | specific surface |
| Unit | ≥ % | ≤% | ≤% | ≤% | ≤% | ≤% | g/m3 | ≥ % | um | um | m2/g | |
| Dry pressing/CIP series | TCH-101 | 99.7 | 0.08 | 0.02 | 0.018 | 0.006 | 0.15 | 3.96 | 96 | 75 | 2--3 | 0.6-0.8 |
| TCH-102 | 99.6 | 0.1 | 0.02 | 0.018 | 0.006 | 0.15 | 3.95 | 95 | 75 | 2--3 | 0.6-0.8 | |
| TCH-103 | 99.5 | 0.2 | 0.02 | 0.018 | 0.006 | 0.2 | 3.95 | 95 | 75 | 2--3 | 0.8-1.0 | |
| TCH-105 | 99.4 | 0.3 | 0.02 | 0.018 | 0.006 | 0.2 | 3.93 | 93 | 75 | 2--3 | 0.8-1.0 | |
| Injection moulding | TCH-213 | 99.5 | 0.15 | 0.02 | 0.018 | 0.006 | 0.15 | 3.95 | 95 | 75 | 3--4 | 0.5-0.6 |
| TCH-211 | 99.7 | 0.1 | 0.02 | 0.018 | 0.006 | 0.1 | 3.96 | 96 | 75 | 3--5 | 0.5-0.6 | |
| Refractory series | TCH-31 | 99.4 | 0.3 | 0.02 | 0.018 | 0.006 | 0.15 | 3.92 | 90 | 75 | 2--3 | 0.1-0.8 |
| TCH-30 | 99.5 | 0.25 | 0.02 | 0.019 | 0.008 | 0.1 | 3.95 | 95 | 3 | 2--4 | 1.0-1.2 | |
| TCH-33 | 99.4 | 0.3 | 0.02 | 0.018 | 0.006 | 0.15 | 3.95 | 95 | 43 | 2--3 | 0.9-1.0 | |
| TCH-003 | 99.4 | 0.3 | 0.02 | 0.018 | 0.006 | 0.13 | 3.95 | 95 | 4 | 3--5 | 1.0-1.2 | |
| TCH-35 | 99 | 0.3 | 0.02 | 0.02 | 0.006 | 0.2 | 3.9 | 90 | 43 | 3--5 | 0.9-1.0 | |
| Active A-Al2o3 | TCH-5H | 98.8 | 0.15 | 0.02 | 0.15 | 3.95 | 95 | 1 | ||||
| TCH-5L | 98.6 | 0.15 | 0.02 | 0.15 | 3.93 | 93 | 0.8 | |||||
| Polishing series | TCH-61 | 97 | 0.1 | 0.1-0.2 | 0.18-2 | 3.95 | 95 | 40-60 | ||||
| TCH-62 | 97 | 0.1 | 0.1-0.2 | 0.18-2 | 3.95 | 95 | 4--5 | |||||
| TCH-63 | 98 | 0.1 | 0.05-0.6 | 0.18-0.2 | 3.97 | 95 | 4--5 | |||||
| Glazing series | TCH-7 | 99.6 | 0.2 | 0.02 | 0.018 | 3.95 | 95 | 55 | ||||
| TCH-703 | 99.6 | 0.2 | 0.02 | 0.018 | 3.95 | 95 | 15 | |||||
| TCH-713 | 99.6 | 0.2 | 0.02 | 0.018 | 3.95 | 95 | 4 |
