If the specific gravity has a value of greater than one, then the object sinks in water and if it is less than one, then the object floats in water. If the specific gravity has a value equal to one, then the object will neither sink nor float. The specific gravity is a very important factor in different industries.
On average, your mattress should last anywhere between 8 to 10 years. However, there are a lot of elements that can increase or decrease the longevity of your mattress. Your mattress is an investment â the better you take care of it and the more money you put into it will increase the longevity of your mattress.
Remember, your body tolerates less pressure as it ages. As if getting older werenât tough enough . . . A mattress can be an expensive investmentâweâve tested models that cost in excess of $4,000âbut if you treat your new one properly, it could easily last 10 years. â¢ Donât let your kids use your bed as a trampoline. â¢ Rotate your mattress.