CHAMOTTE NP Special
Garanteed values
| Chemical composition, Psychical properties | Al2O3(min%) | 41,00 |
| Fe2O3(max%) | 1,50 | |
| Refractoriness (CS/DIN) min. | 34/35 | |
| Water absorption (%) max. | 1,50 | |
| Bulk density (g/cm3) min. | 2,55 |
Non attested values
| Chemical composition: | Typical analysis (%) | Range (%) |
| Al2O3 | 41,73 | 41,00 - 43,50 |
| Fe2O3 | 1,25 | 0,80 - 1,50 |
| TiO2 | 1,54 | 1,40 - 1,70 |
| K2O | 0,75 | 0,55 - 0,80 |
| Na2O | 0,05 | 0,03 - 0,07 |
| CaO | 0,13 | 0,10 - 0,20 |
| MgO | 0,18 | 0,10 - 0,20 |
| SiO2 | 53,95 | 55,60 - 52,10 |
| Loss on ignition | 0,07 | 0,05 - 0,15 |
| Physical properties | ||
| Refractoriness (CS/DIN) | 34/35 | 34/35 - 35 |
| Water absorption (%) | 1,30 | 1,20 - 1,50 |
| Bulk density (g/cm3) | 2,55 | 2,55 - 2,62 |
| Temperature of calcination (°C) | 1 350 | |
| Calcined at | Rotary kiln with preheater (Precalcinator) |
| Mineralogical properties | ||
| Mullit | 38,00 | - |
| Cristobalit | 5,00 | - |
| Quartz | 3,00 | - |