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.
How long does a Tempurpedic mattress last? Many consumers say they have been using their mattress for ten years or more in complete comfort. When you break down the price of this high density memory foam mattress brand, the cost per year for a good night's sleep is well worth it for many loyal customers.