TCH Calcined Alumina Powder
TCH-calcined alumina features:
*Production process : Traditional Bayer process
*High alumina, low sodium
*1-75um powder (200 mesh,325 mesh, 3000-5000 mesh etc)
*High density 3.95g/cm3
*1450°C high temperature calcined
*Stable quality control
*Factory located in import-export tax free area, price is best.
Application :
*Wear resistant ceramic, electronic ceramics, technical ceramic, various industrial ceramic parts.
*Refractory- - Shaped refractory (firebrick etc) & Unshaped refractory (castable etc)
*glaze series.
*Grinding Media raw material
Suitable for dry pressing, CIP, injection moulding etc. 
| Calcined Alumina Powder Specification | ||||||||||||
| Type | Model | Al2O3 | Na2O | Fe2O3 | SiO2 | TiO2 | LOI | True Density | a-Al2O3 | D50 | Primary 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 | 0.25 | 0.02 | 0.018 | 0.006 | 0.15 | 3.95 | 95 | 75 | 3--4 | 0.5-0.6 |
| TCH-211 | 99.5 | 0.25 | 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--5 | 2--4 | 1.0-1.2 | |
| TCH-33 | 99.4 | 0.25 | 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 | 0.25 | 0.02 | 0.02 | 0.006 | 0.2 | 3.9 | 90 | 43 | 3--5 | 0.9-1.0 | |
| Active α-Al2o3 | TCH-5H | 99.4 | 0.15 | 0.02 | 0.15 | 3.95 | 95 | 1 | ||||
| TCH-5L | 99.4 | 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 |