Muffle furnace

box furnace

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
Product Series

Box Furnace by Temperature

Select the temperature range that meets your application requirements.

Configurations

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.

Product Structure

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
Key Features

Why Choose Our Box Furnaces

Designed with advanced technology and user-friendly features for optimal laboratory and industrial performance.

Precise Temperature Control

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
Uniform Heating

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

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 Construction

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
Technical Data

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
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WhatsApp
008619949278357
Company Address
Building 10, Henan National University Science and Technology Park, Zhengzhou, China.
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