Be careful cleaning up cans that explode in your car. The edges where they have torn open are sharp and jagged.You return to your car on a hot summer afternoon to find a can of your favorite beverage puffed up like a balloon. It may have even exploded — its top peeled off like someone had used a can opener.Was someone in your car going through your stuff? Shaking your cans?
So, if it’s 100 degrees outside on a Texas summer day, the inside of a vehicle can quickly reach 143 degrees. Biberdorf says the pressure pushing out from inside the can can grow to five or six times greater than the normal pressure of our atmosphere. In most circumstances, the can will not actually explode. The top will balloon out, relieving some of the pressure.