A muffle oven is a high-temperature heating device primarily used for high-temperature processes in laboratories and industry, such as ashing, sintering, annealing, and heat treatment. Its core feature is isolated heating, which prevents direct contact between the sample and the flame or combustion gases, ensuring a contamination-free, high-precision heat treatment environment.

1.1 Main Features
High-Temperature Range: Typically 300°C–1800°C (varies significantly between models)

Precise Temperature Control: PID intelligent control ensures minimal temperature fluctuation (±1°C–±5°C)

Isolated Heating: The chamber is sealed to prevent sample contamination

Wide Applications: Laboratories, Materials Science, Metallurgy, Chemical Engineering, Food Testing, etc.

Working Principle
Electricity → Heat: Electric current passing through a heating element (such as a resistance wire) generates high temperatures.

Uniform Heating: Heat is evenly distributed within the furnace through radiation and convection.

Temperature Control:

Thermocouples monitor temperature and provide feedback to a PID controller.

The controller adjusts power output to maintain a stable set temperature.

Sample Handling: Samples are heated without direct flame to prevent contamination.

Classification by Function
Standard Muffle Oven: General-purpose, suitable for ashing, sintering, etc.

Atmosphere Muffle Oven: Accepts inert gases such as N₂ and Ar

Vacuum Muffle Oven: For easily oxidized materials (such as titanium alloys)

Rapid Heating Muffle Oven: Heating rates >20°C/min (for scientific research)

5. Typical Applications
   5.1 Laboratory
   Ash Determination (Food, Coal, Pharmaceuticals)

Material Sintering (Ceramics, Metal Powders)

Thermal Analysis (TGA, DSC-assisted experiments)

5.2 Industrial
Metallurgical Heat Treatment (Annealing, Quenching)

Electronic Component Firing (MLCC, Magnetic Materials)

Glass/Ceramic Manufacturing (Glaze Firing)

5.3 Quality Control
ASTM D3174 (Coal Ash Determination)

ISO 1171 (Solid Fuel Ash Analysis)

USP <281> (Pharmaceutical Residue on Ignition)

Muffle Oven Technical Parameters

Model	Max.temperature	Inner volume	Inner size	Power and Voltage
YX-1200-1L	1200℃	1L	105*105*110mm	1KW/AC220V
YX-1200-4.5L	1200℃	4.5L	150*150*200mm	2.5KW/AC220V
YX-1200-7.2L	1200℃	7.2L	200*120*300mm	3KW/AC220V
YX-1200-18L	1200℃	18L	250*250*300mm	5KW/AC220V
YX-1200-36L	1200℃	36L	300*300*400mm	9KW/AC380V
YX-1400-3.6L	1400℃	3.6L	150*150*160mm	4KW/AC220V
YX-1400-8L	1400℃	8L	200*200*200mm	6KW/AC220V
YX-1400-18L	1400℃	18L	250*250*300mm	9KW/AC220V

Muffle Oven Video

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