A muffle furnace is a furnace which can heat materials to high temperatures and maintain that temperature over a prolonged period of time in an atmosphere of other gases, purged or inert. It is frequently found in factories, labs and other environments where heat treatment is required. The furnace gets very hot, which it can do so safely and uniformly. This is crucial for applications like hardening metals, melting glass or, perhaps one day, even baking ceramics. ZONWON have produced good quality muffle furnace for a variety of industries. It is important for products to be strong and durable, which a muffle furnace will help ensure.