Graphite Box Mould for NdFeB Magnet Sintering in Vacuum Furnace
graphite box/boat is made of high quality artificial graphite by mechanical processing. It is mainly used in all kinds of vacuum resistance furnace, carbon tube furnace, induction furnace, sintering furnace, brazing furnace, ion nitriding furnace, tantalum niobium smelting furnace, vacuum quenching furnace and so on, of which need graphite plate, graphite boat, graphite heater, graphite heating tube, conductive rod, graphite hearth plate, graphite bolt, nut, graphite bracket, graphite mould.
- Technical Characteristic
| Grade | MSS80 | MSS85 | MSS85 |
| Grain Size (μm) | 25 | 25 | 25 |
| Bulk Density (≥g/cm3) | 1.80 | 1.85 | 1.90 |
| Compressive Strength (≥MPa) | 60 | 65 | 70 |
| Flexural Strength (≥MPa) | 30 | 33 | 35 |
| Porosity (≤%) | 17 | 14 | 11 |
| Specific Resistance (≤μΩm) | 12 | 12 | 12 |
| Ash Content (≤%) | 0.08 | 0.08 | 0.08 |
| Shore Hardness | 50 | 55 | 60 |
graphite box mould for NdFeB magnet sintering in vacuum furnace