Memory foam mattress is just a type of mattress that is created from polyurethane. Besides polyurethane, it's also made from other forms of chemicals. The chemicals which might be put into the mattress foams gives it the capacity to increase in density. Memory foam mattress is also called visco elastic memory foam. The mattress originated to be able to meet with the mattress shoppers' demand. The real history of the Polyurethane Foam Mattress could be traced back to the Ames Research Center of NASA. The Ames Research Center of NASA funded a project to design a mattress foam which will help to alleviate pain of the astronauts due to g-forces back in the 1970s. NASA believed the foam product should be applied to adapt to the design of your body. The person would eventually move-out of the positioning, though making a mold for your body can help to fix the problem. Consequently, inappropriate pressure points is going to be formed around the body. Later, ways to produce a foam that could adapt the your body's design was found by the study team from the Ames Research Center of NASA. It's a visco elastc foam that may evenly distribute the human body's weight towards the foam floor. dependable sleep solution Polyurethane foam product is used because the foam memory. The bed manufacurers may incorporate several kinds of chemicals to change the density of the foam. After the substance is added, the foam could have greater density. Besides, producer will add a visco elastic foam material. The viscoelastic foam is nontoxic. The foam fat is detemined by simply how much chemicals are utilized inside the foam's manufacturing process. Many polyurethane foam mattress has a fat of 4 - 5lb. Lighter foam mattress weight between 2 - 3 pound. In 1991, a business located in Sweden, Tempur Pedic bought the investigation mattresss foam towards the people. Next, Tempurpedic sold the memory mattress foam for the people that live in Canada and United States. Tempurpedic's bed became highly popular. The achievement of Tempur Pedic had caused the manufacturers provide them for the local people and to make their particular designs of memory foam mattresses.