Silicone Rubber Heaters - Lead Wire Styles

Lead Wire Styles Description

Silicon rubber heaters come only with lead-wire terminations. Two styles are available: · Teflon or Silicone wire leads These leads are sandwiched between the silicon layers, and a small patch is placed on the point of exit to provide extra protection. This causes the formation of a slight bump at the point where the wires are attached. To eliminate this problem, the attachment between the internal resistance wire and the lead wire could be made at an external tab.

· SJO Power Cables When silicon rubber heaters are used independently in an industrial application, they can be made with power cables that exit from a silicone transition box attached to the heater. Proper electrical plugs are available with the power cables.

Silicon rubber heaters can accommodate pre-set or adjustable thermostats, thermal cut-offs and external "J" type thermocouples. Each has a specific temperature range and maximum amperage capability; the factory should be consulted for their availability.

The adjacent graph shows the surface temperature that a silicone rubber heater will attain when suspended in 700F still air. Bellow 5w/in2 watt density applications, the temperature will rise and stabilize at a temperature bellow the critical 5000F. It is recommended to bond the heater to the surface or even use a pressure plate when the application requires watt densities of above 5w/in2.

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