High-precision laboratory electric furnaces with vacuum molded fiber heating muffle chambers. Equipped with precise digital regulators and heating elements to guarantee excellent temperature stability, as well as ceramic bottom plates. They can also be supplied with ventilation hole and exhaust system to eliminate gases or fumes that are released during heat treatment. Intended for scientific laboratories, teaching establishments, medical or industry, these furnaces can be used for quenching, stress relieving, normalization and other heat treatment up to temperatures of 1100 or 1300°C. Many options available.