The question of whether the soundproof cotton on the car hood is useful must have a certain effect. Adding soundproof cotton can appropriately reduce the noise generated by the engine. In summer, it can block the radiation heat from the scorching sun on the engine compartment and avoid frequent starting of electronic fans. Secondly, even if the engine runs for a long time after installing soundproofing cotton, the engine hood is only slightly hot, which can protect the paint surface and delay its aging.

The engine hood sound insulation cotton has a certain effect on vehicles:

1. Sound insulation and noise absorption;

2. Flame retardant, generally speaking, soundproof cotton materials are designed to be flame retardant;

3. The sound absorption and shock absorption effect adheres to the vehicle body, effectively slowing down the vibration of the vehicle body and eliminating metal fatigue;

4. The waterproof performance of the soundproof cotton will effectively prevent the contact between water vapor and the door sheet metal, playing a rust preventive role.

5. Thermal insulation; Protect the paint on the surface of the engine hood to prevent direct transmission of high temperature from the engine to the hood, thereby protecting the paint on the surface of the hood and preventing the cover from misting and affecting the visibility during rainy days;

I hope the above content is helpful to you.