A car’s windshield is frozen – a common sight on mid-winter mornings, but is there an effective way to get off the road early?
Avoid rapid temperature changes like boiling water
On mid-winter mornings, your car’s windshield may become frozen and completely white. If this is the case, how can you get rid of the freeze quickly?
Image of a frozen windshield (Image: Albertus Engbers/123RF).
When using a car’s defroster to thaw ice on the windshield, it takes time to gradually raise the temperature from a state where the engine is still warm.
Some people think of pouring boiling water on it to dissolve it. Officials at a major auto parts store say that this method should be avoided at all costs, as it may cause the glass to break.
“Some people may pour boiling water on it to melt it quickly, but glass is sensitive to sudden changes in temperature. Car windshields are especially susceptible to breakage because they have a large surface and are not thick.”
If the glass is damaged by stones or other debris, there is a risk that cracks may spread throughout the glass.
In addition, when Weather News conducted a survey in 2019, 23% of 9,598 people answered that they pour hot water on themselves, so it seems that many people do this quite often.
Another method seems to be to put lukewarm water in a plastic bag to defrost it, but since this method also uses temperature changes, there is a non-zero possibility that the glass will break.
There are several ways to remove ice from the windshield, such as using a de-icing spray or scraping it off with a scraper. However, according to JAF, there are some cases that cannot be removed even with a scraper, so it is recommended that you coat the windshield with a water repellent in advance to make it easier to repel water. In the case of coated glass, it is possible to scrape it off cleanly using a scraper.
However, if you do it after it’s frozen, it will take a lot of work. Another measure is to prevent it from freezing.
Windshield freezing occurs because water vapor in the air cools during the night, causing frost to settle on the windshield. Placing a windshield cover or an unused blanket over the windshield at night will prevent frost from adhering to the glass surface.
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[Usingawaterrepellentmakesabigdifference!】Isthereabigdifferencewhenyouuseascraperonthewindshield?(Photo)
2024-01-03 00:12:00
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