Products High Temperature Furnaces Muffle Furnace 1800℃ High Temperature Muffle Oven Furnace for Laboratory
1800℃ High Temperature Muffle Oven Furnace for Laboratory

Muffle Furnace

1800℃ High Temperature Muffle Oven Furnace for Laboratory

Item Number : KT-18M

Price varies based on specs and customizations


Max. temperature
1800℃
Temperature control accuracy
±1℃
Heating element
Molybdenum Disilicide
ISO & CE icon

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Why Choose Us

Easy ordering process, quality products, and dedicated support for your business success.

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Leveraging exceptional R&D and in-house manufacturing, KINTEK provides diverse laboratories with advanced high-temperature furnace solutions. Our product line, including Muffle, Tube, Rotary Furnaces, Vacuum & Atmosphere Furnaces, and CVD/PECVD Systems, is complemented by our strong deep customization capability to precisely meet unique experimental requirements.

KINTEK Muffle Furnaces: Precision, Performance, and Customization

KINTEK Muffle Furnaces are engineered to provide a precisely controlled high-temperature environment, essential for a wide array of laboratory applications such as heat treatment, sintering, and ashing. Designed for reliability and superior performance, these furnaces are indispensable tools for research laboratories, industrial settings, and educational institutions involved in materials science, metallurgy, ceramics, and more. Experience uniform heat distribution and precise temperature control up to 1800°C.

Visual Showcase & Key Features

KINTEK 1800℃ Muffle FurnaceInside the KINTEK Muffle Furnace

  • High-Temperature Capability: Achieves temperatures up to 1800°C, ideal for efficient material processing and demanding analyses.
  • Precise PID Temperature Control: Ensures accurate temperature regulation (typically ±1°C) and uniform heat distribution, crucial for repeatable and reliable experimental results.
  • Energy-Efficient Design: Features a polycrystalline fiber furnace chamber (ceramic insulation) for excellent thermal insulation, minimizing heat loss, ensuring energy savings, and offering corrosion resistance.
  • Rapid Heating & Cooling: Equipped with a double-layer inner furnace shell and an air-cooling system for rapid temperature changes and a low external surface temperature, enhancing operator safety.
  • Durable Heating Elements: Utilizes high-quality silicon molybdenum rods (Molybdenum Disilicide) for heating, known for their high-temperature resistance and fast heating capabilities. Optimized configuration ensures longevity and consistent performance.
  • User-Friendly Controls: Standard models feature a microcomputer PID controller that is easy to operate. The furnace body includes output voltage and output current monitoring meters, providing a clear view of the heating status.
  • Versatile Touch Screen Controller (Optional): An intuitive 7-inch TFT touch screen is available, simplifying program setting, data logging, and analysis, enhancing usability.
  • Remote Control Capability (Optional): Supports remote monitoring and control for added convenience and flexibility in laboratory operations.
  • Compact Footprint: Space-saving design maximizes laboratory space utilization without compromising functionality.

Technical Specifications

Our muffle furnaces are built to meet rigorous standards. Below are the typical specifications; however, customizations are welcome to fit your specific needs.

Furnace model KT-18M
Max. temperature 1800℃
Constant work temperature 1700℃
Chamber material Japan alumina fiber
Heating element Molybdenum Disilicide
Heating rate 0-20℃/min
Temperature sensor B type thermal couple
Temperature controller Digital PID controller/Touch screen PID controller
Temperature control accuracy ±1℃
Temperature uniformity ±5℃
Electric power supply AC110-220V,50/60HZ
Standard Chamber Sizes Stocks
Chamber size  (mm) Effective volume  (L) Chamber size  (mm) Effective volume  (L)
100x100x100 1 300x300x400 36
120x120x130 2 400x400x400 64
150x150x200 4.5 500x500x500 125
200x200x200 8 600x600x600 216
200x200x300 12 800x800x800 512
Customer design sizes and volume is accepted

Wide Range of Applications

KINTEK muffle furnaces, with their capability to reach temperatures up to 1800°C, are versatile tools widely used across various industries and research laboratories for numerous high-temperature applications:

  • Sintering: High-temperature bonding of materials, often used in ceramics, metallurgy, and powder metallurgy.
  • Annealing: Controlled cooling of materials to relieve stress and improve properties, such as in metalworking and glass production.
  • Heat Treatment: Altering the physical and mechanical properties of materials through controlled heating and cooling cycles, including hardening, tempering, and normalizing.
  • Ash Melting Point Analysis: Determining the temperature at which ash melts, used in power plants and waste incineration facilities.
  • Brazing: Joining metal components using a filler metal with a lower melting point.
  • Drug Inspections: Testing the stability and purity of pharmaceutical products.
  • Medical Sample Pretreatment: Preparing medical samples for analysis.
  • Materials Research: Investigating the properties of materials at high temperatures.
  • Nuclear Fuel Disposal: Treating and disposing of nuclear fuel.
  • Quality Control: Ensuring the quality of products by testing their thermal properties.
  • Water Quality Analysis: Determining the presence and concentration of certain substances in water samples.

Comprehensive Safety Systems

Operator safety is paramount in the design of KINTEK muffle furnaces. Multiple safety features are incorporated to protect users and equipment:

  • Over-Temperature Protection: Automatic power cutoff if the furnace exceeds set temperature limits, preventing damage and ensuring safety. Includes over-current protection.
  • Door Safety Interlock: Automatically cuts power to the heating elements when the furnace door is opened during operation, protecting the user from high temperatures and ensuring safe sample handling.
  • Thermocouple Failure Detection: The furnace will stop heating and an alarm will sound if the thermocouple (temperature sensor) breaks or fails, preventing uncontrolled heating.
  • Power Failure Restart Function (KT-18M Pro): In the event of a power outage, the furnace can be programmed to resume the heating program automatically once power is restored, ensuring continuity for long processes.

Operating Principle

KINTEK Muffle Furnaces operate on the principle of resistance heating. An electric current passes through high-resistance heating elements (typically silicon carbide or molybdenum disilicide), causing them to heat up. This heat is then transferred to the furnace chamber by radiation and convection. The chamber, made of high-temperature resistant refractory materials like alumina fiber, is well-insulated to minimize heat loss. A thermocouple placed inside the chamber measures the temperature, which is precisely regulated by a PID controller to maintain the desired temperature setpoint.

Standard Package Contents

No. Description Quantity
1 Furnace 1
2 Thermal block 1
3 Crucible tong 1
4 Heat resistant glove 1
5 Operation manual 1

Tailor Your Furnace: Optional Setups & Customization

Enhance your muffle furnace with a range of optional setups to meet specific experimental needs:

  • Independent furnace temperature monitoring and recording systems.
  • RS 485 communication port for PC remote control and data exporting.
  • Ports for inert gas insertion, exhaust output, or observation windows.
  • Upgraded touch screen temperature controller with versatile, operator-friendly functions.

At KINTEK, we understand that standard solutions don't always fit unique research demands. Our strong deep customization capability means we can tailor muffle furnaces to your precise specifications. Whether you require different chamber dimensions, specialized atmospheres, advanced control integrations, or other modifications, our experienced R&D and manufacturing teams are ready to design and build the perfect high-temperature solution for your laboratory.

Ready to discuss your specific requirements or need a custom-designed muffle furnace? Our experts are here to help. Contact us today for a personalized consultation and quote, and let us provide you with the ideal furnace for your application.

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FAQ

What Are The Main Applications Of A Muffle Furnace?

Muffle furnaces are widely used in various industries including metallurgy for heat treatment processes like annealing and hardening metals; ceramics and glass for sintering and melting processes; biomedical for material analysis and drug testing; pharmaceuticals for ashing and quality control of samples; and environmental testing for analyzing ash content in materials and conducting water quality assessment. In the glass industry, they are used for melting glass during recycling, molding glass into shapes, toughening glass products, and analyzing raw material characteristics.

What Is A Rotating Furnace Used For?

A rotating furnace is used for various processes including carburizing (adding carbon to metal surfaces), nitriding (adding nitrogen to metal surfaces), sintering, annealing, and other advanced material treatments. It is also utilized in applications like biomass pyrolysis, activated carbon regeneration, and precise thin film deposition in semiconductor research.

What Are The Key Features Of A Muffle Furnace?

Key features of a muffle furnace include a high temperature range (typically from 800°C to 1800°C), uniform heating for accurate results, isolated heating elements to prevent chemical reactions, and precise digital temperature control. Additional features often include temperature sensing through J-type sensors, PID control for temperature regulation, high-grade insulation materials like imported glass wool blanket for maximum thermal efficiency, SSR-based heaters, and an auto-tuning advanced PID controller.

What Are The Main Types Of Rotating Furnaces Available?

The main types of rotating furnaces include electric rotary kilns for pyrolysis and calcination, vacuum-sealed rotary tube furnaces for continuous processing, laboratory vacuum tilt rotary tube furnaces, split multi-heating zone rotary tube furnaces, and inclined rotary plasma-enhanced chemical deposition (PECVD) tube furnaces. Each type is designed for specific applications and temperature requirements.

How Does A Muffle Furnace Work?

A muffle furnace operates by using heating elements, such as silicon carbide or nichrome wires, which line the walls of the chamber. When electrical current flows through these elements, they generate heat, which is transferred through the chamber lining into the insulated space where samples are placed. The insulated chamber minimizes heat loss and maintains a steady, even temperature distribution, allowing precise control over the heating process without contaminating the sample.

How Does A Rotating Furnace Work?

A rotating furnace operates by rotating the material inside the furnace to ensure uniform heat distribution. The rotation mechanism helps in consistent radial temperature and precise temperature control, often achieved via electric heating. This design is energy-efficient and suitable for processes requiring uniform treatment of materials.

What Are The Advantages Of Using A Muffle Furnace?

The advantages of using a muffle furnace include high precision and control with accurate temperature management, reduced contamination due to an isolated chamber, versatile applications across scientific and industrial tasks, energy efficiency from effective insulation, and enhanced safety due to reduced external heat exposure. They are also cost-effective due to their long service life and energy efficiency, offer high temperature resistance, ensure temperature uniformity with even heat distribution, and minimize heat loss compared to conventional heating methods.

What Are The Advantages Of Using A Rotating Furnace?

The advantages of a rotating furnace include uniform heat distribution for consistent results, precise temperature control, energy efficiency compared to traditional combustion methods, and flexibility in customizing heat treatment processes. Additionally, rotating furnaces are cost-effective for low-volume production and can be tailored for specific research or industrial needs.

What Types Of Muffle Furnaces Are Available?

Muffle furnaces come in various types based on their maximum temperature capabilities and design features. Examples include high-temperature models (up to 1800°C) for sintering and annealing, models with bottom lifting mechanisms for easy loading, and those with specific features like PID control and energy-efficient designs. They can also vary in size and customization options to suit different laboratory and industrial needs.

What Safety Features Are Included In Rotating Furnaces?

Rotating furnaces are equipped with important safety features such as over-temperature protection, emergency shut-off mechanisms, and clear alarm systems. These features ensure safe operation and prevent accidents during high-temperature processes.

Can Rotating Furnaces Be Customized For Specific Applications?

Yes, rotating furnaces can be customized for specific applications. They are available in various configurations, including different heating zones, adjustable tilt angles, and 360° rotation capabilities. Customization options also include vacuum and controlled atmosphere settings to meet the precise needs of research or production environments.
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Product Datasheet

1800℃ High Temperature Muffle Oven Furnace for Laboratory

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Muffle Furnace


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