FIELD: electrothermics; glass fiber plastic heaters for domestic use, medicine, agriculture, and other industries.
SUBSTANCE: proposed flexible electric heater designed for heating liquid and gaseous media has resistor unit in the form of current-conducting fabric whose weft and warp are made of complex conducting polymeric threads of cloth-and-core structure, insulating threads, and metal-thread electrodes with insulating layers of insulating fiberglass impregnated with thermosetting binder whose resistor unit is ultimately compressed at electric heater compression pressure and temperature; additionally introduced in insulator-resistor unit interface is thermosetting film layer , 0.07 - 0.3 mm thick, curing simultaneously with insulating binder.
EFFECT: enhanced reliability and service life, reduced manufacturing cost due to reducing and even eliminating reject.
1 cl, 2 tbl
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