Sapphire Annealing Furnace
This lifting furnace adopts an electric lifting structure, and the furnace material is all vacuum-formed high-purity alumina polylight material. It has high use temperature, small heat storage capacity, resistance to rapid heating and cooling, no cracks, no slag, and good thermal insulation performance. Electric hydraulic lifting system, furnace bottom door. It is widely used in production and experiments in the fields of ceramics, metallurgy, sapphire annealing, electronics, glass, chemicals, machinery, refractory materials, new material development, special materials, building materials, etc.
| Furnace size (mm) | Working temperature(℃) | Power(KW) | Voltage | Heating elements | Heating rate |
| 400*400*400 | 1650℃ | 20 | 380V | 1800 Silicon Molybdenum Rod | 1-15℃/MIN |
| 500*500*500 | 35 | ||||
| 800*500*500 | 60 | ||||
| 1200*500*600 | 90 | ||||
| 1500*500*600 | 110 | ||||
| 2300*500*600 | 155 | ||||
| 400*400*400 | 1750℃ | 35 | 1900 Silicon Molybdenum Rod | ||
| 600*300*300 | 45 | ||||
| 800*400*400 | 70 |

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A seven-zone mesh belt furnace running at 1120 °C can hold ±3 °C across the belt and still ship parts with inconsistent hardness, because the dew point in the delubrication zone drifted after the belt speed was raised. That is the nature of powder metallurgy: the furnace is not a box that gets hot, it is a chemical reactor with a conveyor attached. The short answer: select a powder metallurgy furnace by the process window it must hold — delubrication profile, atmosphere quality, sintering tempe...




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