Compared with traditional fuel vehicles, hybrid electric vehicles and pure electric vehicles add many high-voltage accessories, such as power battery, high-voltage distribution box, drive motor, motor controller and so on, which also puts forward new requirements for automotive cables. Because these cables are arranged in the engine and chassis area of the front cabin, the temperature is high and the space is narrow, the cables need to be soft, the turning radius is small, and the high and low temperature resistance is good; Secondly, the road condition is complex, and the cable must have good wear resistance and high mechanical strength; In addition, when the speed is high or low, especially under the bad working conditions such as full load climbing, the instantaneous large current requires the cable to have short-time overload capacity.

At present, the automotive power cable insulation materials in the world include crosslinked polyolefin and thermoplastic elastomer. The heat resistance of cross-linked polyolefin material can reach 150 ℃, but the cable of this material is relatively hard, inconvenient to install in the narrow car body space, and needs irradiation cross-linking, and the process is complex, so it is not suitable for large section cable. The heat resistance of thermoplastic elastomer material is not more than 125 ℃, and the temperature grade of power cable is low, and the cable made of thermoplastic elastomer material will have the risk of cracking after long-term use. Advantages of ekon silicone rubber in insulation and sheath of high voltage cables for new energy vehicles:

Ø Wider temperature range - 60 ~ 225 ℃;

Ø Excellent tear resistance, flexibility, small cable bending radius;

Ø Good elasticity, more suitable for connection and sealing;

Ø Stable performance at high temperature gives the cable higher current carrying capacity;

Ø Platinum curing products are more environmentally friendly and improve the interior environment.