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Characteristics：Adopting excellent white corundum, flake graphite etc, and produced with scientific process and strict technology, which has perfect anti-thermal shock, anti-corrosion, anti-erosion and anti-oxidation properties.
Specification
| Items | Body | Stopper Rod | ||
| Alumina-Graphite | Magnesia-Graphite | |||
| Chemical composition | Al2O3 | ≥45 | ≥75 | --- |
| C + SiC | ≥25 | ≥10 | ≥10 | |
| MgO | --- | --- | ≥75 | |
| Bulk density (g/cm3) | ≥2.5 | ≥2.75 | ≥2.7 | |
| Apparent porosity (%) | ≤20 | ≤16 | ≤16 | |
| Cold Crushing Strength (MPa) | ≥20 | ≥25 | ≥20 | |
| Modules of Rupture (MPa) | ≥7 | ≥7 | ≥5 | |
| Thermal shock resistance (sequence) | ≥5 | ≥5 | ||
Monolithic stopper
