| Ort der Herkunft |
Hebei China (Mainland) |
| SiO2-Gehalt (%) |
0.3% |
| SiC-Gehalt (%) |
72 |
| Modell-Nummer |
Si3N4 SiC blocks |
| Marke |
D-FB |
| Form |
Block |
| Material |
MgO-Kohlenstoff-Stein |
Si3N4 SiC blocks SiC:72%Min. Si:0.3%Max Si2N3:21%Min. B.D:2.68g/cm3 A.P:16%Max. C.C.S:180Mpa.Min. Maximum service temperature1580(2876) Excellent oxidation resistance and resistance to corrosion. Superior resistance to metal penetration and cryolite attack Low gas permeability High thermal conductivity. Low thermal expansion. Good abrasion and erosion resistance. Low porosity. High modulus of rupture. High crushing strength Application: Sidewall blocks in aluminium electrolysis cells. Protective top rim. Combination with carbon sidewall blocks.