The Door Heater Wire Heater ya ƙunshi sassa uku: Layer braid Layer, insulation outer Layer da waya core. The metal braided layer material has three kinds of glass fiber, stainless steel, aluminum, the insulation layer is made of silicone rubber, silicone rubber is soft, good insulation, and high temperature and low temperature resistance, high temperature resistance up to 400 degrees can har yanzu ana amfani da shi akai-akai, kuma taushi ba ya canzawa, ɓarkewar zafi iri ɗaya, don haka kewayon aikace-aikacen zafi na silicone yana da faɗi sosai.