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  • Watt densities up to 5 W/in2
  • Just 0.055 inch thick
  • Wire-wound elements


Watlow silicone rubber composite heaters are rugged yet thin, lightweight, and flexible. With Watlow silicone rubber flexible heaters, you can put the heat where it's needed and, in the process, improve heat transfer, speed warm-ups, and decrease wattage requirements. Fiberglass-reinforced silicone rubber gives your Watlow silicone rubber flexible heater dimensional stability without sacrificing flexibility. Because very little material separates the element from the part, heat transfer is rapid and efficient.

Watlow offers a number of heaters commonly used for composite bonding and curing. The design includes equal length circuits and a no-heat tab for temperature uniformity. Also, the contact surface is made of a smooth silicone to prevent composite surface imperfections. The heaters are fiberglass reinforced to provide lasting field service durability and life. Composite heaters generate 5 W/in2.