The WQ Series furnace is designed specifically for the purpose of annealing quartz and borosilicate glass. Other applications are also possible. The heated furnace portion is a counterbalanced rectangular bell that lifts entirely out of the way when loading the furnace. The furnace features proprietary ceramic element holders for easy low cost replacement of elements and maximum element life, all low density ceramic fiber and mineral wool insulation and a completely digital programmable temperature control for automated cycling. Maximum temperature is 2200°F (1200°C.)