Tips Sahabat

What is Water Repellent on Cars? It Turns Out to be Useful When it Rains!

09 April 2025
Apa itu Water Repellent pada Mobil? Ternyata Berguna Saat Hujan!

Speaking of car maintenance, you must have heard the term water repellent. So what does that term mean? To satisfy your curiosity, let's find out more information by paying attention to the following review. 

What is Water Repellent?

Water repellent is a waterproof liquid used to coat car windows. This liquid is usually used during the rainy season because it provides various benefits. So what are the benefits? Let's find out by looking at the review below.

Functions of Water Repellent

Water repellent has several functions that are rich in benefits. Here are the complete functions.

1. Protects car windows from rainwater

The main function of water repellent is to protect car windows from rainwater. As is known, rainwater has its own pH level that can make metal car exteriors prone to rust. In addition, rainwater can also make car windows dark while driving. 

This waterproof coating liquid is made using chemical compound materials such as polymers, silicones, and others. These compounds will form hydrophobic properties when applied to car windows. This way, the surface of the car windows will not come into direct contact with rainwater. This causes rainwater to flow quickly when it touches the surface of the car windows.

Read Also: List of Products to Shine Car Paint that You Can Choose

2. Protects car windows from all kinds of dirt

Not only rainwater, dirt such as mud splashes, dust, and even insects can also be removed with water repellent. This is because this liquid will make it easier for car window cleaners to work, thus keeping the cleanliness of the car windows maintained.

3. Protects glass from UV radiation

Next, water repellent can protect glass from UV radiation. As is known, UV radiation can accelerate the aging of car windows. If car windows are often exposed to UV rays, they will appear dull and yellowish and are easily scratched. With the presence of this water repellent, your car windows will look clearer and maintain the structure of the glass to prevent damage.

4. Reduces wiper usage

Next, water repellent can reduce wiper usage so that wipers do not wear out easily. As previously explained, the hydrophobic properties produced by this water repellent make rainwater flow quickly. In addition, the glass becomes easier to clean, thus reducing wiper usage. This way, the wiper motor lasts longer because it is not constantly forced to clean dirt or rainwater.

5. Increases comfort and safety while driving

Next, water repellent can increase comfort and safety while driving. Why is that? Because the hydrophobic properties of water repellent can keep car windows from becoming dull and yellowish due to UV radiation. This certainly provides a comfortable effect for drivers.

In addition, water repellent can also eliminate fog that sticks to car windows. Even during heavy rain, car windows will remain clear and not obstruct the driver's view. This way, the driver's visibility remains optimal, allowing them to stay focused while driving.

How to Use Water Repellent Correctly

If you are interested in using water repellent on your car windows, you need to pay attention to the correct usage method to achieve optimal results. Here are the complete steps.

  1. Prepare the water repellent first. Before buying it, you can look for recommendations for the best products online.
  2. Next, you can clean the surface of the car windows first. Avoid using glass cleaners that contain ammonia as they can cause chemical reactions. Such reactions can damage the structure of the car windows and make the use of water repellent less optimal.
  3. After cleaning, wait for a while until the glass dries.
  4. Next, you can apply the water repellent to the surface of the car windows. Make sure to apply this liquid evenly.
  5. Then, let it dry. Once dry, take a microfiber cloth and wipe the car windows until smooth and shiny.

After reading the review above, are you interested in using it? 

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