| Ort der Herkunft |
Shandong China (Mainland) |
| Al2O3-Gehalt |
45-75% |
| Marke |
XND |
| Form |
Ziegel |
| Material |
Tonerde Cement |
Firebricks Refractory N-1 N-2a N-2b N-3a N-3b N-F N-5 N-6 Refractoriness CN () 176 174 174 172 172 170 166 158 Refractoriness under 0.2Mpa load () ≥ 1400 1350 1320 1300 Permanent linear chage rehearting , (%) 1400 * 2h +0.1 -0.4 +0.1 -0.5 +0.2 -0.5 1350 * 2h +0.2 -0.5 +0.2 -0.5 +0.2 -0.5 +0.2 -0.5 Apparent Porosity (%)≤ 22 24 26 24 26 24 26 28 Crushing Strength Kg/cm2 ≥ 300 250 200 200 150 200 150 150 Thermal shock resistance