Leister has been the worldwide leader in the field of plastic welding and industrial hot-air applications. With an established network of 130 sales and service centers all over the globe. Plastic Welding: Our tools are used in roofing, billboards, tarpaulins, tunneling, flooring, plastic fabrication, shrinking... Process Heat:Leister customers profit from our extensive engineering knowledge and benefit from our recommendations during the conceptual design of hot-air applications. Typical applications include activating, heating, curing, melting, sterilizing... Infrared:Infrared heaters emit medium wave infrared radiation. This is particularly well absorbed by plastics, paper, wood and water. Special metal foils are used as emitters to ensure homogeneous energy distribution and high efficiency.