Luoyang Chunqing Furnace Industry's CQ series of open-type vacuum atmosphere tube furnaces are suitable for various laboratory use in colleges and universities, as well as in industrial and mining enterprises' chemical analysis laboratories. They are used for chemical analysis, coal quality analysis, physical measurements, and for sintering and dissolution of metals and ceramics, as well as for heating, baking, drying, and heat treatment under atmosphere protection for small workpieces.

Technical Specifications
Sintering Properties
Sapphire tube: 60*300
2. Temperature Stability: ±1℃
3. Temperature: 1000°C
4. Flush Temperature: ≤1-3℃
5. Heating Rate: Can be freely set within 9999 minutes, typically reaches 800℃ within 10 minutes.
6. Furnace Chamber Material: Utilizes polycrystalline composite fiber material with vacuum molding, featuring high-temperature resistance without powder shedding. The outer layer is made of ceramic fiber cotton, providing excellent thermal insulation and a non-scalding shell.
7. Vacuum Degree: 0.1 MPa
8. Power Voltage: 220V
9. Power: 0-4KW
10. Heating Element: High-Temperature Specialized Molybdenum Wire
11. Control Methods: Programmed control, fuzzy PID tuning, silicon-controlled rectifier output, PID parameter self-tuning function, manual/automatic interference-free switching function, over-temperature alarm function, programmable for over 30 steps
13. Energy-saving Performance: Lightweight, quick heating
14. Control Features: Modular structure of control system, long-life design of critical equipment components, simple and reliable process, good stability, and high precision.
15. Equipped with vacuum pump, vacuum valve, vacuum gauge, and connecting pipe fittings