Rectangular Muffle Furnace is manufactured with a front-loading box type oven design, which is used for applications which require extreme temperature conditions. It can be installed with molybdenum disilicide heating element for higher temperature requirements, as it can attain temperature up to 1800 degree Celsius. This instrument is utilized for ceramic, ignition tests, quench testing, chemical analysis, coal sampling, and organic & inorganic ashing. It is installed with PID controller which makes it user friendly and safe to operate.