Hot air plastic gun is a welding tool to bond some materials through heating and melting plastic electrode and film surface. It is a small in size and large in power. Equipped with hot protection tube and electronic heating protection system, it is more durable and reliable. Integrated design makes it easy to operate. Hot air plastic welder used in chemical tanks, heat exchange , plumbing fittings, waterproof membrane and some repair welding in impermeable liner construction site.