Zhengzhou Huachen Refractory wwwãhcrefractoryãcom / sale01 a hcrefractoryãcom
Item | MZ-91 | MZ-92 | MZ-93 | MZ-94 | |
Chemical composition % | MgO ⥠| 91 | 92 | 93 | 94.5 |
SiO2 ⤠| 4.0 | 3.5 | 2.5 | 2.0 | |
Fe2O3 ⤠| 1.3 | - | - | 1.2 | |
CaO ⤠| 2.5 | 2.5 | 2.0 | 1.8 | |
Apparent Porosityï¼ â¤ | 18 | 18 | 18 | 18 | |
Bulk Density g/cm3 ⥠| 2.86 | 2.90 | 2.95 | 2.92 | |
Cold Crushing Strength Mpa ⥠| 60 | 60 | 50 | 60 | |
0.2Mpa Refractoriness Under Load T0.6 â | â¥1570 | â¥1560 | â¥1620 | â¥1650 | |
Permanent ange On Reheatingï¼%ï¼1500âX2h | 0ï½+0.4 | 0ï½+0.4 | 0ï½+0.4 | 0ï½+0.4 | |
Thermal Shock Resistances 100â water cycles | â¥18 | â¥18 | â¥18 | â¥18 |