Tubular Vacuum Muffle Furnace

Tubular vacuum muffle furnaces generate high temperatures inside sealed quartz tubes through resistance heating elements, with vacuum extraction or the introduction of protective gases to prevent sample oxidation. They are used for heat treatment, sintering, annealing, and other processes of materials in an inert atmosphere, commonly employed in laboratories for heating metals and ceramics.
Selection
When selecting, consider whether the maximum temperature and furnace chamber size meet the sample requirements, and ensure the vacuum level matches the process demands. Heating rate and temperature control accuracy affect experimental efficiency, so pay attention to the temperature limits of the quartz tube and compatibility with gas interfaces. Determine the lifespan of the heating element based on usage frequency, while also considering equipment footprint and safety protection features.

Terms

Standards

Instruments

The maximum temperature is 1200 ° C, the Furnace volume is 16L, and the 30-segment programmable control is used to achieve precise temperature control. The safety switch of the Furnace door and the design of the corrosion resistance Furnace improve the operation safety and durability.

$ 1716.00

High aluminum Furnace wear-resistant high temperature, 4-sided heating evenly; PID self-tuning temperature control accuracy +/- 2 ℃, over-temperature automatic protection; compact overall structure, convenient and safe operation.

$ 567.00

With 30 programmable control function, the maximum temperature can reach 1000 ℃, Furnace volume 7L, automatic power-off protection when opening the door, good sealing of the Furnace door and small heat loss.

$ 1046.00

With 30-stage programmable control function, the maximum temperature is 1000 ℃, the Furnace volume is 2L, the refractory brick Furnace and stainless steel material are used, and the heat loss is small and the Temperature uniformity is good.

$ 927.00

The maximum temperature can reach 1200 ℃, Furnace volume 7L, using microcomputer PID controller precise temperature control, refractory brick Furnace durable, Furnace door sealing design to enhance Temperature uniformity, safe and simple operation.

$ 1145.00

The highest temperature up to 1000 ℃, Furnace volume 16L, the use of refractory brick Furnace and wirecoil for heater heating, with automatic safety switch and overheating and overpressure protection, Furnace door sealing good heat loss is small.

$ 1145.00

The refractory brick Furnace has good thermal insulation performance, volume 16L, maximum temperature 1200 ℃, temperature control accuracy +/- 2 ℃, with over-temperature alarm, power failure recovery and timing functions to ensure the safety and reliability of the experiment.

$ 1958.00

The maximum temperature is 1000 ℃, the Furnace volume is 30L, the 30-segment programmable controller is used to realize automatic operation, the Furnace door sealing is good to ensure Temperature uniformity, the refractory brick Furnace and the resistance wire heating element are resistant to high temperature and have a long life.

$ 1815.00

Double-decked Furnace shell insulation design to ensure that the shell is not hot, multi-sided Heating mode to make the Furnace temperature distribution uniform. Temperature control accuracy +/- 2 ℃, heating rate ≥ 10 ℃/min, equipped with K-type Thermocouple and a number of Safety protection functions.

$ 1582.00

With 30 stages of multi-stage programmable control, the highest temperature 1200 ℃, Furnace volume 7L, using refractory brick Furnace and nickel-chromium wire heating elements, heat loss is small and Temperature uniformity is good.

$ 1392.00

Pottery and porcelain fiber liner with excellent thermal insulation performance, equipped with microcomputer P.I.D temperature controller temperature control accuracy of +/- 2 ℃, with over-temperature alarm and power failure recovery and other safety protection functions, Furnace volume 80L to meet a variety of experimental needs.

$ 6331.00

Adopt high aluminum liner and upper and lower left and right 4-sided Heating mode, temperature control accuracy up to +/- 2 ℃, Furnace volume 16L, with over-temperature alarm and automatic cut-off function, support intelligent segmented temperature control.

$ 719.00

With 30 programmable control function, support heating or stay setting, stainless steel Furnace door and microcomputer PID controller, to ensure accurate and reliable temperature control, Furnace Temperature uniformity.

$ 1313.00

Inlet and outlet devices are used to intRoduce inert gas to effectively prevent oxidation and decarburization of high-temperature heating workpieces. The Furnace volume is 16L and the maximum temperature is 1200 ° C. The high-temperature spraying process of the shell is durable.

$ 954.00

Using ceramic fiber Furnace and air insulation structure, the surface temperature is only about 50 ℃. Heating to 1200 ℃ for less than 25 minutes, temperature control accuracy +/- 1 ℃, support multi-step program control.

$ 2048.00

Articles

How is a high-temperature muffle furnace applied in ash determination?
This article introduces the application of high-temperature muffle furnaces in ash determination. The principle of ash determination involves completely burning the sample at high temperatures, leaving behind inorganic mineral residues. The muffle furnace provides a stable and controllable thermal environment, ensuring accurate results.
Muffle furnace is used for the determination of coating loss on ignition and ash content.
A muffle furnace is a laboratory heating device used to determine the loss on ignition and ash content of coating materials. By incinerating the sample at high temperatures, the organic components decompose and volatilize, leaving behind inorganic residues as ash.
Muffle Furnace Ash Test Method for Determination of Inorganic Filler Residues in Varnish
This article introduces the method of using the muffle furnace ash test to determine the residual amount of inorganic fillers in varnish. The inorganic substances in varnish can affect the performance of the coating, making accurate determination of ash content important for quality control.
Use of Muffle Furnace for Ash Determination in Pulp Inorganic Matter Testing
This article introduces the application of the ash determination muffle furnace in the detection of inorganic substances in pulp. The muffle furnace removes organic matter in the sample through high-temperature combustion, and the remaining inorganic residue, known as ash, is used to analyze the content of fillers and metal ions in the pulp.