Annealing furnace FMU-18

calcinationheat treatmentcarbon regeneration

Product Overview
Labotemp Controlled Atmosphere Furnace FMU-18 is a high-capacity laboratory muffle furnace designed for reliable high-temperature processing up to 1200 °C. The rectangular chamber features three-sided resistance heating and PID temperature control for stable ramps and ±1 °C accuracy. A vacuum-sealable chamber with dedicated inert gas ports supports nitrogen, argon, oxygen and other non-reactive gases. Multi-layer ceramic fiber insulation and a rigid steel enclosure minimize heat loss and enable energy-efficient continuous operation. The unit is suitable for research, material testing and pilot processing including ceramic and powder sintering, calcination, annealing, carbon treatment and lithium battery material processing.

Specifications
Maximum temperature: 1200 °C
Recommended continuous operating temperature: < 1100 °C
Voltage: AC 220 V, 50 Hz
Power: 9 kW
Heating element: Resistance wire
Thermocouple: Type K
Display mode: Digital display
Temperature control accuracy: ±1 °C
Heating method: Three-sided heating (left, right and top)
Heating rate: 0–20 °C/min (recommended ≤10 °C/min for best results)
Furnace structure: Integrated compact design with step-like joint for even force distribution and reduced heat loss
Furnace material: High-alumina multi-crystalline ceramic fiber insulation
Safety features: Temperature-deviation protection, over-temperature alarm, phase-loss warning, automatic shutdown
Compatible gases: O2, CO, N2, Ar and other inert gases (for controlled-atmosphere use)
Door sealing: Precision-machined door with embedded silicone strips for reliable sealing and easy operation
Maximum vacuum (cold): −0.1 MPa (not guaranteed at high temperature)
Internal dimensions (mm): 400 × 300 × 300
Package size (mm): 1100 × 950 × 1650
Gross weight: 365 kg

Features

• PID temperature regulation with Type K thermocouple feedback and programmable multi-segment profiles for repeatable cycles
• Digital display for process monitoring and control
• Uniform multi-side heating for stable chamber temperature distribution
• Programmable controller enabling automatic heating and cooling sequences
• High-efficiency ceramic fiber insulation to reduce heat loss and improve energy efficiency
• Dedicated inert gas ports for a variety of controlled atmospheres
• Adjustable heating rate for precise process control
• Built-in safety protections including over-temperature alarm, phase-loss and system fault alerts
• Durable sealed door design ensuring reliable thermal performance

Standard Accessories

• 1 pair crucible tongs
• 1 pair heat-resistant gloves

Applications

• Heat treatment of metals and ceramics
• Sintering and calcination of powders and ceramics
• Annealing and stress-relief operations
• Ashing and thermal analysis of samples
• Controlled-atmosphere material testing
• High-temperature research and pilot R&D processing, including lithium battery material workflows

Technical specifications

• Model: FMU-18
• Max temp: 1200 °C; recommended continuous operation < 1100 °C
• Chamber size (internal): 400 × 300 × 300 mm
• Power supply: AC 220 V, 50 Hz; Power consumption ≈ 9 kW
• Thermocouple: Type K; Control accuracy ±1 °C
• Heating: Three-sided resistance heating; heating rate 0–20 °C/min (≤10 °C/min recommended)
• Insulation: High-alumina multi-crystalline ceramic fiber
• Atmosphere: Vacuum-sealable chamber with inert gas compatibility (N2, Ar, O2, CO, etc.)
• Vacuum (cold): up to −0.1 MPa (not guaranteed at high temperature)
• Safety: Over-temperature alarm, temperature-deviation protection, phase-loss warning, automatic shutdown
• Display & control: Digital display with programmable multi-segment PID profiles
• Packaging & weight: Package size 1100 × 950 × 1650 mm; Gross weight 365 kg