Cordierite C 65
Garanteed values
| Chemical composition, Psychical properties | Fe2O3(max. %) | 2,8 |
| MgO (min. %) | 11,0 | |
| Water absorption (%) max. | 8,0 | |
| Bulk density (g/cm3) min. | 2,0 | |
| Dilatation: 50-200 °C 10-6K-1 | 1,2-2,0 | |
| Dilatation: 50-600 °C 10-6K-1 | 2,5-3,0 |
Non attested values
| Chemical composition: | Typical analysis (%) | Range (%) |
| Al2O3 | 36,20 | 34,00-38,00 |
| SiO2 | 48,40 | 47,00-50,00 |
| Fe2O3 | 2,40 | 2,00-2,80 |
| 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 | 0,20-0,35 |
| Physical properties | ||
| Bulk density (g/cm3) | 2,1 | 2,00-2,30 |
| Water absorption (%) | 7,1 | 4,00-8,00 |
| Dilatation: 50-200 °C 10-6K-1 | 1,6 | 1,20-2,00 |
| Dilatation: 50-600 °C 10-6K-1 | 2,7 | 2,50-3,00 |
| Mineralogical properties | ||
| Cordierit | 65,00 | |
| Mullit | 15,0 | 13,00-17,00 |
| Quartz | 0,6 | 0,30-1,00 |