For a 2-liter muffle furnace from China, you will typically find laboratory-grade units with a maximum temperature of 1200°C, often used for ashing, calcination, and heat treatment.
Key Specifications
Most 2-liter units from Chinese suppliers share these standard features:
- Temperature Range: Commonly 100°C to 1200°C, with some high-end units reaching 1700°C using silicon-molybdenum heating elements.
- Heating Elements: Typically alloy heating wire for 1200°C models, or MoSi2 rods for higher temperatures.
- Insulation: Vacuum-formed ceramic fiber or polycrystalline mullite fiber for high efficiency and energy savings.
- Controllers: Digital PID controllers with programmable segments (e.g., 30 segments) for precise ramp and soak cycles.
Key Features
- Insulation: Most modern 2L units feature high-density ceramic fiber insulation, which allows for rapid heating and energy efficiency.
- Control System: Equipped with PID digital controllers, often supporting multi-segment programmable heating cycles (e.g., 30–50 segments) for precise thermal management.
- Safety: Standard safety features include automatic power-off when the door is opened, over-temperature alarms, and thermocouple failure protection.

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