| TYPICAL CHEMICAL ANALYSIS (wt. %) | Porcelain |
| Alumina,Al2O3 | 17–20 |
| Al2O3+SiO2 | >90 |
| Calcia, CaO | < 1 |
| Titania, TiO2 | < 2 |
| Alkalies, K2O + Na2O | 1 –4 |
| Magnesia, MgO | < 1 |
| Leachable Iron | < 0.1 |
| Leachable Sulphur | None Detected |
| Leachable Chlorides | None Detected |
Typical chemical analysis of Ceramic Cross Partition Ring (CCPR):
| Type | Size | Surface area | Void space | Bulk space | NO.elements | Packing factor |
| Φ50 | 50×50×5 | 135 | 50 | 520 | 5600 | 1080 |
| Φ80 | 80×80×8 | 120 | 53 | 780 | 2100-2500 | 806 |
| Φ100 | 100×100×10 | 110 | 56 | 750 | 900-1000 | 626 |
| Φ150 | 150×150×15 | 60 | 58 | 680 | 270-300 | 308 |
