Cordierite C 65
Garanteed values
| Chemical composition, Psychical properties | Fe2O3 (max. %) | 3,20 |
| MgO (min. %) | 11,00 | |
| Water absorption (%) max. | 8,00 | |
| Bulk density (g/cm3) min. | 2,00 | |
| Dilatation: 50-200 °C 10-6K-1 | 1,20 - 2,00 | |
| Dilatation: 50-600 °C 10-6K-1 | 2,50 - 3,00 |
Non attested values
| Chemical composition: | Typical analysis (%) | Range (%) |
| Al2O3 | 34,20 | 32,00 - 36,00 |
| SiO2 | 50,10 | 51,60 - 48,60 |
| Fe2O3 | 2,70 | 2,40 - 3,20 |
| TiO2 | 1,30 | 1,10 - 1,40 |
| K2O | 0,60 | 0,50 - 0,80 |
| Na2O | 0,20 | 0,10 - 0,40 |
| CaO | 0,50 | 0,30 - 0,70 |
| MgO | 11,50 | 11,00 - 12,50 |
| Loss on ignition | 0,20 | 0,02 - 0,35 |
| Physical properties | ||
| Bulk density (g/cm3) | 2,10 | 2,00 - 2,30 |
| Water absorption (%) | 7,10 | 4,00 - 8,00 |
| Dilatation: 50-200 °C 10-6K-1 | 1,60 | 1,20 - 2,00 |
| Dilatation: 50-600 °C 10-6K-1 | 2,70 | 2,50 - 3,00 |
| Mineralogical properties | ||
| Cordierit | 65,00 | |
| Mullit | 15,00 | 13,00 - 17,00 |
| Quartz | 0,60 | 0,30 - 1,00 |