220V 30W 低压电动自调节...
Product Description 220V 30W Low Voltage Electric Self-Regulating Heating Cable Roof Pipe Driveway Flexible Silicone Heater Automatic Motor Self regulating cables have an adaptable heat output and consist of two parallel bus wires embedded in a networked plastic heat element with surrounding carbon particles. 如果运行过程中温度升高, the plastic will expand and…











































