Muffle Furnace

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[muffle furnace]

Muffle Furnace is an experimental equipment used for high-temperature heating and testing. It mainly consists of a heating cavity, heating elements and a control system. It gets its name from its specially designed heating chamber, which allows the sample to be placed in a sealed chamber for heating processing to protect the sample from oxidation, corrosion or other external interference.

Muffle furnaces usually use resistance wires as heating elements. The current passes through the resistance wires to generate heat, which increases the temperature in the heating cavity. The heating chamber is made of high-temperature-resistant materials, such as quartz, ceramic or metal, and can withstand long-term operation in high-temperature environments.

Muffle furnaces are widely used in many fields in laboratories, industrial production and scientific research, such as ceramic material sintering, catalyst activity testing, heat treatment and sintering of metals, rock sample analysis, etc. Its heating temperature range typically ranges from a few hundred degrees Celsius to thousands of degrees Celsius, depending on the design and performance of the device.

For the classification of a muffle furnace, according to its heating element, and rated temperature, see the following:
1) According to the heating elements, there are resistance wire muffle furnaces, silicon carbon rod muffle furnaces, silicon molybdenum rod muffle furnaces;
2) According to the rated temperature, it is generally divided into muffle furnaces below 1000 ℃, muffle furnaces at 1000 ℃ and 1200 ℃, muffle furnaces at 1300 ℃ and 1400 ℃ and muffle furnaces at 1600 ℃ and 1700 ℃, 1800 ℃ muffle furnaces.

Our muffle furnace has the advantages of low surface temperature, fast temperature rise and fall rate, and energy saving. It is an ideal product for high-temperature sintering, metal annealing, and quality inspection in universities, scientific research institutes, and industrial and mining enterprises.

Machine Pictures

Muffle Furnace Details:

muffle furnace detail

muffle furnace detail-1


Model KF1100-Mini KTL-1100 KF1200-Mini KF1200-I KF1400-I KF1700-I
Max Temperature 1100℃ 1100℃ 1200℃ 1200℃ 1400℃ 1700℃
Rated Temperature 1000℃ 1000℃ 1150℃ 1150℃ 1350℃ 1650℃
Heater Resistance wire Resistance wire Resistance wire Resistance wire silicon carbide rod Silicon molybdenum rod
Voltage 220V 220V 220V 220V 220V 220V
Power 1.2kw 1.2kw 2.2kw 3.5kw 3kw 2.5kw
Size of furnace chamber 100x100x100mm 100x100x100mm 200x150x150mm 300x200x120mm 160x150x150mm 120x120x120mm
Thermocouple K-type K-type K-type K-type S-type B-type
Temperature control mode 30 segments Program PID Control (Programmable) 30 segments Program PID Control (Programmable) 30 segments Program PID Control (Programmable) 30 segments Program PID Control (Programmable) 50 segments Program PID Control (Programmable) 50 segments Program PID Control (Programmable)
Temperature rising rate ≤30℃/min ≤30℃/min ≤30℃/min ≤30℃/min ≤20℃/min ≤20℃/min
Temperature rising rate (Recommended) ≤15℃/min ≤15℃/min ≤15℃/min ≤15℃/min ≤10℃/min ≤10℃/min
Heating mode Heating from three sides of the furnace Heating from four sides of the furnace Heating from two sides of the furnace
Machine Size 220×270×380mm (LxWxH) 500×250×410 (LxWxH) 450×550×650mm (LxWxH) 500x640x740mm (LxWxH) 550x600x900mm (LxWxH) 520x560x870mm (LxWxH)


(1) Comes with a fashionable appearance design.

(2) Muffle furnaces adopt special ceramic fiber material, the heating speed is fast and the heat preservation effect is good.

(3) Heating elements: 1000 ℃, 1200 ℃ electric furnace wire, 1300 ℃, 1400 ℃ silicon carbide rod, 1600 ℃, 1700 ℃ silicon molybdenum rod.

(4) Comes with a temperature control system: thyristor control, PID parameters self-tuning function, with compensation and correction function.

(5) Design with Safety factor: password lock function, safe and reliable.

Why CDOCAST Muffle Furnace

2 Years Warranty Time

2 Years Warranty Time

CDOCAST Provide 2 Warranty time , and during the warranty time we will be responsible for the all aftersales service & spare parts for free



CDOCAST Provide more value & turnkey Solution to Metal Melting & Casting According to Each Customer

 Quality Gurantee

Quality Gurantee

We owe it to each of our customers, CDOCAST adopt world famous brand components to improve our machine working performance.

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