
Precision Box Furnaces for Laboratory & Industry
Our box furnaces, also known as muffle furnaces, are designed for a wide range of high-temperature applications including ashing, heat treatment, sintering, and materials testing. With temperature capabilities from 1200°C to 1800°C, we offer solutions for every research and production need.
Each furnace features advanced PID temperature control, high-quality refractory lining, and durable heating elements. Multiple door configurations including top-opening, bottom-opening, left-opening, right-opening, and sliding doors are available to suit your workspace and application.
- Temperature range: 1200°C / 1400°C / 1700°C / 1800°C
- Chamber volume: 1L to 64L
- Heating elements: Resistance wire, SiC,MoSi2
- Temperature uniformity: +/- 5°C
- Multiple door styles available
Box Furnace by Temperature
Select the temperature range that meets your application requirements.
Door Opening Options
Choose the door style that best fits your laboratory layout and workflow.
Top Opening
Lift-up door design for easy sample loading from above. Ideal for benchtop installations.
Bottom Opening
Drop-down door for convenient access. Suitable for heavier samples and crucibles.
Left Opening
Swing door opening to the left. Fits standard laboratory configurations.
Right Opening
Swing door opening to the right. Flexible placement in any lab setup.
Sliding Door
Space-saving horizontal sliding mechanism. Perfect for tight laboratory spaces.
Front Loading
Large front-opening door for easy access to bigger chambers and samples.
Box Furnace Construction
Our box furnaces are engineered with precision components to ensure reliable performance and long service life.
Heating Chamber
High-purity ceramic fiber or polycrystalline fiber lining provides excellent thermal insulation and energy efficiency. The chamber is designed for uniform heat distribution.
- Low thermal mass for fast heating/cooling
- Excellent thermal shock resistance
- Long service life at maximum temperatures
Heating Elements
Premium heating elements selected based on temperature requirements: Fe-Cr-Al alloy for 1200°C, SiC for 1400°C, and MoSi2 for 1700°C-1800°C.
- Uniform spacing for even temperature distribution
- Easy replacement design
- Long element lifespan with proper use
Temperature Control System
Advanced PID controller with programmable segments. Precise temperature measurement using K, S, or B type thermocouples depending on temperature range.
- ±1°C control accuracy
- 30 programmable segments
- Over-temperature protection alarm
Door Assembly
Multiple door configurations available including lift-up, drop-down, swing, and sliding options. All doors feature high-temperature sealing for minimal heat loss.
- Refractory brick door lining
- Heat-resistant door seal
- Safe and easy operation
Safety Systems
Comprehensive safety features including over-temperature protection, door safety switch, and emergency stop function to protect operators and equipment.
- Independent over-temperature limiter
- Door interlock safety switch
- Leakage protection circuit
Cabinet & Frame
Robust steel construction with powder-coated finish. Double-wall design with air gap provides safe exterior temperatures and structural durability.
- Cold-rolled steel shell
- High-temperature powder coating
- Ventilation system for electronics
Why Choose Our Box Furnaces
Designed with advanced technology and user-friendly features for optimal laboratory and industrial performance.
Precise Temperature Control
Our advanced PID control system delivers exceptional temperature accuracy of ±1°C. The programmable controller supports up to 30 segments for complex heating profiles including ramp rates, dwell times, and cooling sequences.
- PID auto-tuning for optimal performance
- 30 programmable segments
- Real-time temperature display and curve recording
- Over-temperature alarm and protection
Excellent Temperature Uniformity
Carefully designed heating element placement and chamber geometry ensure consistent temperature distribution throughout the workspace. Temperature uniformity of ±5°C meets the demanding requirements of research and quality control applications.
- Optimized heating element layout
- Multi-zone temperature monitoring
- Uniformity tested per ASTM standards
- Suitable for sensitive materials processing
Energy Efficient Design
High-performance ceramic fiber insulation minimizes heat loss and reduces power consumption. The low thermal mass design enables rapid heating and cooling cycles, improving productivity while lowering operating costs.
- Low thermal mass insulation
- Reduced power consumption by up to 30%
- Fast heat-up and cool-down times
- Cool exterior surface temperature
Durable & Reliable Construction
Built to withstand continuous operation in demanding laboratory and industrial environments. Premium materials and robust construction ensure years of reliable service with minimal maintenance requirements.
- High-quality refractory materials
- Corrosion-resistant steel cabinet
- Long heating element lifespan
- Minimal maintenance requirements
General Specifications
| Model Series | 1200°C | 1400°C | 1700°C | 1800°C |
|---|---|---|---|---|
| Max Temperature | 1200°C | 1400°C | 1700°C | 1800°C |
| Working Temperature | 1100°C | 1300°C | 1600°C | 1700°C |
| Heating Element | Fe-Cr-Al | SiC | MoSi2 | MoSi2 |
| Chamber Material | Ceramic Fiber | Ceramic Fiber | Polycrystalline Fiber | Polycrystalline Fiber |
| Temperature Uniformity | +/- 5°C | +/- 5°C | +/- 5°C | +/- 5°C |
| Heating Rate | 0-20°C/min | 0-15°C/min | 0-10°C/min | 0-10°C/min |
| Thermocouple | K Type | S Type | B Type | B Type |
| Controller | PID | PID | PID | PID |
