Foam sponge billboard renderings

What is the use of the "sponge" on the car?

First of all, let’s talk about it. The most common place to apply sponge to the car is the 4S store. As long as someone picks up the car at the 4S store, whether it is an SUV or MPV, the sales staff of the 4S store will add sponge to the new car. A few small spongy boards. And these sponge-like objects are generally placed on the outside of the doors on both sides, or at the elbows at the rear of the car, and next to the LED light groups on both sides of the front of the car. These foam-like objects are called car bumpers. They look very similar to sponges, but their raw materials are different.

The function of the anti-collision block is to pre vent the car from being hit and scratched by other cars. The texture of the anti-collision block is very tough. If it comes into contact with other hard objects, it can have a great anti-wear and compre ssion effect. Therefore, new car owners or those who have bought a luxury car will choose to affix a few such anti-collision blocks. Of course, some people don't care about it after knowing its function. However, many novices are very likely to get scratched because their driving skills are not proficient enough. This is especially true when parking in a parking lot, making it easier to scratch surrounding vehicles.

If these situations occur, the cost of repairing the car will not be cheap. Therefore, experienced drivers who often drive have installed anti-collision blocks on their cars to protect the safety of the car and pre vent wear and tear on the body. After all, the cost of repairing a car is not a small sum, and if the wear and tear is serious, it will be a huge expense. After hearing the veteran driver's answer, do you want to put some anti-collision blocks on it?

Sponge is an open-pore material. Its sound insulation is very poor, but its sound absorption effect is good. Filling it into the cavity can solve the problem of air pollution. Cavity resonance, absorbing high, medium and low frequency noise. So foam is better at soundproofing.

A sponge is a porous material with good water absorption and can be used to clean items.

Commonly used sponges are made of wood cellulose fibers or foamed plastic polymers. In addition, there are also natural sponges made from sponge animals, and most natural sponges are used for body cleaning or painting. In addition, there are three types of synthetic sponges made of other materials, namely low-density polyether (non-absorbent sponge), polyvinyl alcohol (highly absorbent material, no obvious pores) and polyester.