Is it necessary to install engine insulation cotton?

1 Answers
VanRemington
07/29/25 2:33pm
Engine insulation cotton is necessary to install. Here are the relevant reasons why it is necessary to install insulation cotton: 1. The insulation cotton has a significant effect on isolating temperature. In other words, because of the presence of insulation cotton, it can to some extent protect the paint on the surface of the engine hood from rapid aging. After long-distance driving, the temperature inside the engine compartment is very high, and prolonged high-temperature exposure can cause the paint on the hood surface to age and crack quickly. Therefore, the paint on some older cars tends to age and lose its luster from the surface of the engine hood, while the paint on other parts remains relatively better. Generally, after driving for a period of time, the surface temperature of an engine hood with insulation cotton is at least 10°C lower than that of an unprotected hood. So, the first benefit of insulation cotton is that it can effectively protect the paint on the hood surface. 2. Insulation cotton can prevent the temperature inside the engine compartment from dissipating too quickly, which is particularly noticeable in winter. With insulation cotton, even in cold weather, the temperature inside the engine compartment will not drop sharply, thereby reducing damage to the engine when restarting within a short time.
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