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Polyimide film electric heater is planar heating material, with the heated body formed to maximize the thermal conductivity, small heat transfer resistance.Ohmic heating heat can be quickly transferred to the heated body, and because of this heating good thermal conductivity, so the heating temperature is not too high,not red, glowing, radiant heat loss is very small,hence the electric membrane made of electric appliances, thermal efficiency is very high, generally around 90%. As the traditional point of heat dissipation area is small, and other objects to be heated depends on indirect conduction, the electrothermal conversion process, the heat generated by power transmitted can be heated quickly, resulting in the heat of the heating element is too concentrated, the element itself becomes hot quickly, a large part of energy into a light energy loss, resulting in electric conversion efficiency is low.
