Durex Industries is a leading manufacturer of cast in electric heaters for the plastics processing industry. Durex controls all manufacturing processes from element manufacturing through our in-house foundry and CNC machining to deliver cast in heater products that exceed your expectations. These cast in heaters are manufactured in both aluminum and bronze alloys depending on the operating temperatures required. A wide variety of electrical and cooling tube terminations are available as standard options. Products include air and liquid cooled barrel heaters, L-shaped heaters, vent cut out heaters, heat only cast in barrel heaters, air cooled with shroud, hollow cast nozzle heaters, and cooling jackets for cast in barrel heaters.