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How strong are car windows?

Are car windows strong? I read somewhere that they’re stronger than steel, which doesn’t seem true to me.

avatar
Liz Jenson · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Depending on the manufacturer of the
window
, it will take about 20,000 to 24,000 pounds per square inch (PSI) of force to break a car window. For reference, typical glass has a breaking point of 1,000 PSI. That’s because car windows are made from tempered glass, which is stronger, more heat-resistant, and won’t break into sharp, jagged pieces like regular glass.
You could say that car windows and windshields are five times stronger than steel, since a flawless fiber of glass pulled lengthwise will be much stronger than a comparable piece of steel. However, glass is much more brittle than steel, which is why it breaks so easily.
Since you’re taking the time to learn more about your car, why not take an extra minute to save some money on your car insurance policy
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Jerry
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MORE: How to tint car windows
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