The door seal is mainly used in the door frame of the car, the side window, the front and rear windshield, the engine cover, and the trunk lid. It can play a good role in waterproof, dustproof, soundproofing, shock absorption and decoration. Ethylene-propylene rubber sealing strips have superior aging resistance, high and low temperature resistance and chemical resistance, and will not crack and deform for long-term use. The elasticity and function of sealing strips from -50 °C to 120 °C Will not be affected.