Chamotte NP Extra Mix
Garanteed values
| Chemical composition, Psychical properties | Al2O3(min%) | 39,00 |
| Fe2O3(max%) | 2,20 | |
| Refractoriness (CS/DIN) min. | 32/33 | |
| Water absorption (%) max. | 4,00 | |
| Bulk density (g/cm3) min. | 2,40 |
Non attested values
| Chemical composition: | Typical analysis (%) | Range (%) |
| Al2O3 | 40,20 | 39,00 - 41,00 |
| Fe2O3 | 2,15 | 1,70 - 2,20 |
| TiO2 | 1,45 | 1,30 - 1,60 |
| K2O | 0,90 | 0,60 - 1,10 |
| Na2O | 0,15 | 0,05 - 0,20 |
| CaO | 0,35 | 0,20 - 0,60 |
| MgO | 0,24 | 0,10 - 0,40 |
| SiO2 | 54,56 | 57,05 - 52,90 |
| Loss on ignition | 0,15 | 0,05 - 0,20 |
| Physical properties | ||
| Refractoriness (CS/DIN) | 32/33 | 32/33 - 33 |
| Water absorption (%) | 3,20 | 1,80 - 4,00 |
| Bulk density (g/cm3) | 2,48 | 2,40 - 2,55 |
| Temperature of calcination (°C) | 1 300 | |
| Calcined at | Rotary kiln |
| Mineralogical properties | ||
| Mullit | 35,00 | - |
| Cristobalit | 4,00 | - |
| Quartz | 7,00 | - |