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


- 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?
What Is A Rotating Furnace Used For?
What Are The Key Features Of A Muffle Furnace?
What Are The Main Types Of Rotating Furnaces Available?
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How Does A Rotating Furnace Work?
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What Are The Advantages Of Using A Rotating Furnace?
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Product Datasheet
1800℃ High Temperature Muffle Oven Furnace for Laboratory
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