What is the plastic under the car door called?
2 Answers
The plastic under the car door is called the door seal strip. The car door requires good sealing performance, dustproof, waterproof, and sound insulation. In addition to the reasonable size matching between the door and the car body, the important part is the seal strip embedded or pasted on the door frame and the door. Sealing is an important indicator of the overall quality of the car, and the car seal strip product is one of the important components that determine the quality of this indicator. The seal strip is a rubber product with a hollow cross-section, and its softness allows it to fill gaps of different sizes. When the gap is large, the pressure on the seal strip is small, and when the gap is small, the pressure on the seal strip is large.
The plastic panel under the car door is commonly called a door sill protector or scuff guard. Having driven for over a decade, I've found it quite useful - it prevents mud and water from splashing onto the car body during rainy days and protects the door metal from shoe scratches when entering/exiting. With prolonged use, dirt tends to accumulate. If not cleaned regularly, it may accelerate body corrosion. It's best to wipe off dust with a damp cloth monthly, more frequently during rainy seasons. Made of high-strength plastic like ABS material, these feature anti-slip textures for both durability and aesthetics. If cracks or looseness appear after long-term use, don't ignore it - promptly replace it at a repair shop for just tens of yuan. This helps extend door lifespan and prevent rust spread.
