What Does The DOT Code Mean On Brake Oil?

Illustration (Photo: Pixabay/BruceEmmerling)

YOGYAKARTA When buying brake oil for the car, you will be faced with several options. One of them is the DOT code followed by numbers, for example, DOT 3, DOT 4, and DOT 5. So, what does the DOT code mean to brake oil? Come on, see the meaning of the DOT code on brake oil in the following article.

The DOT code on brake oil is an acronym of the Department of Transportation. The department in question is the United States Department of Transportation as the standard provider. So, don't get me wrong in interpreting the DOT code as a chemical content in brake oil, yes!

Every number written behind the DOT code on brake oil is defined as a melting point, aka a boiling point. The higher the number on the DOT code, the higher the boiling point.

However, it should be underlined that the term brake oil that is widely used in society is actually not appropriate, especially for DOT 3 and DOT 4 which is more appropriate to be referred to as a brake liquid.

This is because the DoT 3 and 4 brake liquids have properties that can absorb and blend with water, unlike most oils.

Summarized from various sources, here is an explanation of each type of brake oil that you need to know:

For additional information, DoT 4 and 3 brake oils are the most commonly used brake oils to optimize braking systems in cars. In addition to the cheap price, these two types of brake oil are also standard choices for drivers who tend not to brake excessively.

The choice of brake oil needs to be adjusted to the braking system used by your car. Car manufacturers will usually recommend which type of brake oil should be used.

This is information about the meaning of the DOT code on brake oil and its types. Hopefully this article can add insight to the loyal readers of VOI.ID.