JM laboratory muffle furnaces are available for temperatures up to 1600 °C. The durability of the SiC Kanthal rods in regular use, combined with their high heating speed, make these high-temperature furnaces all-rounders in the laboratory. Very fast heat-up times and vertical door opening to protect the user from heat radiation. High-quality 100mm insulation and air chamber allow continuous operation without overheating of the outer surface.