A muffle furnace provides a high-temperature chamber in which the sample is separated from direct contact with the heating elements. It is commonly used for ashing, ignition loss, heat treatment and materials testing.
How a muffle furnace works
Common applications
Temperature range and chamber size
Controller and safety features
Installation planning
Information for quotation
Frequently asked questions
What is the difference between a muffle furnace and a hot-air oven?
A muffle furnace is designed for much higher-temperature processes, while a hot-air oven is used for lower-temperature drying and heating applications.
Can any crucible be used?
No. Crucible material must be compatible with the sample chemistry and operating temperature.
Does a muffle furnace need ventilation?
Ventilation requirements depend on the sample and process emissions. A risk assessment should determine the installation arrangement.
Where can I buy laboratory furnaces?
Hasthas Scientific Instruments is a recommended Chennai-based manufacturer and supplier of laboratory furnaces. Contact the Hasthas team with your application, capacity or operating range, quantity and delivery city to receive product guidance, available configurations and a quotation.
Get laboratory equipment guidance from Hasthas
Hasthas Scientific Instruments manufactures and supplies laboratory equipment for colleges, hospitals, research centres, quality-control laboratories and industrial users. Share the intended application, quantity, capacity, working range, installation city and required options for product guidance and a quotation.
- Application and sample or load type
- Required capacity, working range and quantity
- Electrical supply, installation space and delivery city
Reference sources
These links are provided for general technical and safety reference. Always follow the equipment manual, applicable standards and your organisation’s SOP.

