Why Choose Us?
Reliable Product Quality
Xinkyo Company was founded in 2005 by professional materials researchers. Its founder studied at Peking University and is a leading manufacturer of high-temperature experimental equipment and new materials research laboratory equipment. This enables us to provide high-quality, low-cost high-temperature equipment for materials research and development laboratories.
Advanced Equipment
Main production equipment: CNC punching machines, CNC bending machines, CNC engraving machines, high-temperature oven CNC lathes, lying machines, gantry milling, machining centers, sheet metal, laser cutting machines, CNC punching machines, bending machines, self capacitive welding machines, argon arc welding machines, laser welding, sandblasting machines, automatic paint baking rooms.
Wide Range of Applications
The products are mainly used in ceramics, powder metallurgy, 3D printing, new material research and development, crystal materials, metal heat treatment, glass, negative electrode materials for new energy lithium batteries, magnetic materials, etc.
Wide Market
XinKyo Furnace's annual export sales revenue is more than 50 million, with North American markets (such as the United States, Canada, Mexico, etc.) accounting for 30% and European markets (such as France, Spain, Germany,etc) accounting for about 20%; 15% in Southeast Asia (Japan, Korea, Thailand, Malaysia, Singapore, India, etc) and 10% in the Russian market; 10% in the Middle East (Saudi Arabia, UAE, ect ), 5% in the Australian market, and the remaining 10%.
What is High Temperature Muffle Furnace?
A high-temperature muffle furnace is a specialized heating device used in laboratories and industrial settings to achieve extremely high temperatures for various purposes such as material testing, heat treatment, ashing, and ceramic or glass production, typically ranging from around 800°C up to 1800°C or more.
3D Printing Atmosphere Annealing Furnace 1400℃
The 1400°C inert atmosphere box furnace enables excellent 3D printing applications. 1L to 36L can be shipped quickly to the world. CE and UL certified temperature controller realizes multi-stage temperature and time control with an accuracy of ±1℃.
1000℃ Small mini furnace is a miniature box furnace designed for laboratories. It is small in size, has a power of only 1KW, and a weight of only 20kg. It can be easily put into a glove box for use. It can be used for laboratory sintering, annealing, smelting, dental and other processes.
1000℃ Box-tube mixing muffle furnace is a hybrid furnace that can be used as both a tube furnace and a box furnace to meet multiple sample and process requirements. It is a cost-effective experimental equipment.
200℃-1200℃ Benchtop box muffle furnace are an ideal tool for materials heat treatment in laboratory daily use,the max.temperature can arrive 1200℃,standard 12L to choose,30 segment program with PID control. It is widely used in materials research and industrial manufacturing.
1400℃ Laboratory muffle furnace uses spray-coated high-temperature baking technology, a double-layer air-cooling structure, and can continuously operate at a temperature of 1,300 degrees. It can be used for sintering various materials and ceramics, etc.
Laboratory muffle furnace 1700c is a hot-selling experimental high-temperature equipment, using advanced alumina ceramic fiber insulation material and high-quality silicon-molybdenum rod heating element. It is the best choose for dental sintering, metal sintering annealing, ceramic sintering, lithium battery materials, chemical industry and other heat treatments.
Customized up door muffle furnace is an experimental electric furnace with a special furnace door structure design. The furnace door can be opened upwards or downwards. It is designed according to customer preferences and operations. High-quality resistance wires are embedded with insulating materials and highly intelligent temperature control instruments,Operation easy to use.
Hot pressing muffle furnace with observation window is high temperature laboratory furnace, A hot-pressing sintering furnace with a maximum temperature of 1200°C, it uses double carbon steel layer shell and 30 segement PID control. The electric furnace consists of high purity alumina polycrystalline fiber brick and high quality heating element.
1750℃ ceramic lab muffle furnace is a high-performance heat treatment muffle furnace that can work continuously at up to 1750 degrees. It has double-layer heat-resistant insulation material, good heat preservation performance, and can be controlled by 50-segment intelligent programs. It is widely used in Gemstones, ceramic heat treatment etc.
Advantages of High Temperature Muffle Furnace
High Temperature Capability
High temperature muffle furnaces can operate at extremely high temperatures, typically ranging from 800°C up to 1800°C or even higher. This allows processing and heat treatment of a wide variety of materials that require elevated temperatures.
Temperature Uniformity
The enclosed, insulated muffle design helps maintain a very uniform temperature distribution throughout the heating chamber. This is important for ensuring consistent and reliable heat treatment of materials.
Safety and Containment
The enclosed muffle design helps contain the high temperatures and hazardous materials within the furnace, improving safety. This containment is especially important for processes involving toxic, corrosive, or explosive substances.
Durability and Longevity
High temperature muffle furnaces are typically constructed using high-quality, durable materials that can withstand the extreme operating conditions. This results in a furnace with a long service life and minimal maintenance requirements.
Versatility
High temperature muffle furnaces can be used for a wide range of applications, including heat treatment, sintering, calcination, material testing, and more. Their versatility makes them valuable assets in various industrial, research, and laboratory settings.
Application of High Temperature Muffle Furnace
A high temperature muffle furnace is used for heating materials to extremely high temperatures in a controlled environment. It is commonly used in laboratories, biotech companies, paint and steel industries, and small-scale production industries. Some of the specific uses of a muffle furnace include annealing, coal analysis, general laboratory testing, lime calcination, and leaves carbonization.
Muffle furnaces provide several advantages over other heating methods. They allow for the isolation of materials, reducing the risk of cross-contamination. The mechanical arrangement of the hearth, heated with high-purity metallic elements, ensures high temperatures above 1000°C with minimal cross-contamination. The use of electrically-conductive metals with high mechanical stability at raised temperatures ensures safe and efficient heat treatment.
The muffle furnace is designed with an insulated chamber called a muffle, which surrounds the heating element and protects the materials from direct exposure to the flame or electric heating element. The muffle is typically made of ceramic or other high-temperature resistant material. This design allows for precise temperature control, uniform heating, and a controlled atmosphere for heat treatment.
Muffle furnaces have a wide range of applications, including fusing glass, creating enamel coatings, ceramics, and soldering and brazing articles. They are also used for ashing, calcination, heat treatment, and melting of metals and glass. The advancement in materials used for heating elements, such as non-flammable molybdenum disilicide, allows for even higher working temperatures up to 1,800 degrees Celsius (3,272 degrees Fahrenheit), enabling more sophisticated metallurgical applications.
The construction of muffle furnaces includes double-walled stainless steel housing to minimize heat loss and ceramic fiber insulation in the outer superstructure to increase heat radiation. This ensures excellent temperature control, uniform heat distribution, and long-lasting performance.
A high temperature muffle furnace is a crucial tool for heating materials to extremely high temperatures in a controlled environment. It offers advantages such as isolation of materials, precise temperature control, uniform heating, and a controlled atmosphere. It is used in various industries for applications ranging from annealing and calcination to heat treatment and melting of metals and glass.
Factors to be Considered for Choosing High Temperature Muffle Furnace
Temperature
Select the Z high temperature of the muffle furnace according to the actual temperature. The Z high temperature of the muffle furnace is generally 100°C-200°C higher than the operating temperature.
Power supply voltage
Before use, determine whether the voltage of the muffle furnace is 380V or 220V to avoid a wrong purchase.
Size
Select the appropriate furnace size according to the weight and volume of the sample to be burned. Generally speaking, the volume of the furnace is more than three times the total volume of the sample.
Price
The price of the furnace is an essential factor to consider. It should fit your budget and offer value for money. However, it is also important to ensure that the furnace meets all the required specifications and quality standards.
Furnace material
The furnace material is generally divided into two types, which include fiber material and refractory brick material. The fiber material is light in weight, soft in texture, and good in insulation, while the refractory brick is heavy in weight, hard in texture, and general in insulation.
Heating element
According to the different requirements of sample burning, the furnace body is determined according to different heating elements. Generally, resistance wire is selected below 1200 °C, silicon carbide rod is basically used at 1300°C-1400 °C and silicon molybdenum rod is widely used at 1400°C-1700 °C.
Precautions for the Use of High Temperature Muffle Furnace
• When the muffle furnace is just started to use or is used again after a long-term shutdown, it is necessary to dry the furnace. The oven temperature and time shall be 200°C to 200°C for four hours. During use, the furnace temperature shall not exceed the rated temperature to avoid burning the electric heating element. It is forbidden to pour various liquids and soluble metals into the furnace. In order to ensure safe use, it is necessary to install ground wire and ground it well.
• The muffle furnace and furnace controller need to work in places where the relative humidity is not more than 85% and there is no conductive dust, explosive gas, or corrosive gas. When metal materials such as grease need to be heated, the volatile gas with big stars will affect and erode the surface of electric heating elements, destroying them and shortening the service time of the muffle furnace. Therefore, when heating, the container should be sealed in time.
The working life of the heating element depends on the oxide layer on its surface. Destroying the oxide layer will shorten the service life of the heating element and each shutdown will damage the oxide layer. Therefore, the shutdown should be avoided after startup.
• The controller of a high-temperature muffle furnace shall be limited to use within the ambient temperature range of 0°C-40°C. Do not pull out the thermocouple suddenly at high temperatures to prevent the jacket from exploding.
• When the muffle furnace is heated, the furnace jacket will also become hot. Keep the furnace away from inflammable and keep it easy to dissipate heat outside the furnace. Pay attention to safety and avoid scalding.
• When using the furnace, take care of it frequently to prevent accidents caused by the failure of automatic control. Do not use the furnace when there is no one on duty at night.
• After using the muffle furnace, cut off the power supply to make it cool naturally. The furnace door should not be opened immediately to avoid sudden cold cracking of the furnace. The furnace door should be opened only when the temperature drops below 200 ° C.
• According to the technical requirements, regularly check whether the wiring of the electric furnace and controller is in good condition and whether the pointer of the indicator is stuck when moving. Adopt the potentiometer to calibrate the error of the instrument caused by magnetic steel, demagnetization, fatigue of the spring, and balance damage.
Factors Affecting High Temperature Muffle Furnace Temperature
Heating Elements
The primary factor influencing high temperature muffle furnace temperature is the type and quality of the heating elements used. Most high temperature muffle furnaces employ either resistance wire or silicon carbide heating elements. The choice of heating element impacts the furnace's maximum temperature, heating speed, and overall durability.
Insulation
The furnace's insulation material plays a vital role in maintaining temperature stability. High-quality insulation materials help reduce heat loss, improve energy efficiency, and ensure a more uniform temperature distribution within the chamber.
Temperature Control
Accurate temperature control is achieved through the use of advanced controllers and sensors. Modern high temperature muffle furnaces are equipped with digital controllers that can maintain temperature within tight tolerances, ensuring precise and consistent heat treatment.
Airflow and Ventilation
Adequate ventilation is essential to prevent overheating and maintain temperature uniformity. Many high temperature muffle furnaces have built-in fans and vents to control airflow and prevent temperature fluctuations.
Sample Size and Load
The size and composition of the sample inside the high temperature muffle furnace can affect the temperature. Larger or denser samples may require more time to reach the desired temperature, and their presence can impact heat distribution within the furnace chamber.
Features of High Temperature Muffle Furnace
Construction and Design
The furnace is typically made of high-quality, heat-resistant materials such as refractory bricks, ceramic fiber insulation, and high-temperature alloys to withstand extreme temperatures.
Safety Features
Safety measures such as over-temperature protection, temperature alarms, and automatic shut-off systems are integrated to prevent overheating and ensure safe operation.
Heating Element
High-temperature muffle furnaces use heating elements made of materials like Kanthal, silicon carbide, or molybdenum disilicide.
Temperature Control and Regulation
The furnace is equipped with precise temperature control systems, often utilizing digital controllers.
Tips for Maintaining and Monitoring the Maximum Operating Temperature of High Temperature Muffle Furnaces
Routine Cleaning and Maintenance
Regularly clean both the exterior and interior of the furnace, including heating elements, thermocouples, insulation materials, and other components susceptible to dust or debris accumulation. This upkeep not only enhances efficiency but also contributes to a longer lifespan. Accumulated debris can adversely affect performance, leading to inaccurate temperature readings or potential overheating.
Inspect for Wear and Tear
Continuous exposure to high temperatures can lead to wear and tear on various furnace components. Periodically inspect heating elements, thermocouples, wiring connections, insulation materials, door seals, and other parts for signs of deterioration, such as cracks or frayed wires. Promptly replace any damaged components to mitigate potential safety risks.
Regular Calibration
Maintain accurate temperature readings by calibrating the muffle furnace regularly, using a reliable reference thermometer or pyrometer. Perform this calibration at least once every six months or more frequently to ensure consistent and precise temperature control.
Identify your application
Whether you want to test rubber, polymer or food samples, it is very important to know that at what temperature your sample starts turning into fumes. If you don't know, refer the testing standards that suit to your industry.
Identify the space requirement
Okay, so you have a small lab where you cannot afford to accommodate a big bulky machine. Consider the dimensions of the machine first. Please understand that there is a huge difference between the size of the machine and size of the chamber.
Identify the dimensions of the chamber
Depending on the industrial chamber, the size needs to be identified. If you want to do rubber analysis, polymer analysis or food sample analysis, any size between 4"x4"x9" inches and 6"x6"x12" would do the job. Whereas for bigger samples you may ask the manufacturer for the customization.
Temperature Control
High temperature muffle furnace is all about burning the sample in the chamber. This means heat consistency is very important. Whether the machine chosen by you has some provision to maintain the temperature of the chamber?
Safety Features
It is very important to have safety features. Make sure there is an auto-cutoff sensor to control the overheating and burning of heating coils.
Key Information about High Temperature Muffle Furnaces
Temperature range
In muffle furnace there is maximum temperature range and continuous working temperature range. Our standard models are made with maximum temperatures 1100°C and 1400°C with working temperatures 1000°C and 1300° respectively.
Heating Element
In muffle furnace 1100°C imported resistive wire heating elements are used; while in 1400°C high temperature muffle furnaces, we use silicon carbide rods and MoSi2 (Molybdenum Disilicide) for 1600°C, and 1800°C.
Heating Zone
The heating zone is the most crucial part of any muffle furnace. For 1100°C machine we make heating chamber of ceramic fiber board and for 1400°C Ceramic Zirconium board is used. High density Ceramic fiber blanket is used as insulation to keep the outer surface at minimum temperature.
Controller
As standard microprocessor based PID temperature controller is fitted in each muffle furnace; in addition, we also use programmable profile temperature controller having 30 steps for ramp rate and soak time. These controllers feature excellent accuracy during the entire cycle and also keep displaying set value (SV) and process value (PV).
Construction
These laboratory furnaces are built on a thick steel frame. Outer cabinet is usually made of powder coated cold roll sheet. We also make GMP muffle furnaces with all stainless steel 304 grade sheets.
Optional Accessories
We also equip your programmable muffle furnace with choice of accessories to meet specific requirement of our clients. These accessories are PLC based HMI controller with data logging and PID controller with RS232 computer interface. Steel tong and gloves are standard accessories and supplied with every muffle furnace.
Our Certifications
Our Factory
Xinkyo Company was founded in 2005 by professional materials researchers. Its founder studied at Peking University and is a leading manufacturer of high-temperature experimental equipment and new materials research laboratory equipment. This enables us to provide high-quality, low-cost high-temperature equipment for materials research and development laboratories. Our products include high-temperature ovens, tube furnaces, vacuum furnaces, trolley furnaces, lifting furnaces, and other complete sets of equipment. Thanks to its excellent design, affordable prices, and customer service, Xinkyo is committed to becoming the world leader in materials science research for high-temperature equipment.
Ultimate FAQ Guide to High Temperature Muffle Furnace
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