Memoryfoam mattress is just a type of mattress that's made from polyurethane. Besides memory, it's also made from other styles of chemicals. The chemicals which can be put into the mattress foams presents it the capability to increase in occurrence. Memory foam mattress can be called visco elastic memory foam. The bed originated so that you can meet with the desire of the bed customers. The Memory Foam Mattress' history can be traced back again to NASA's Ames Research Center. The Ames Research Center of NASA financed a project to style a bed foam that can help to relieve pain of the astronauts due to g-forces back within the 1970s. NASA assumed the foam product ought to be applied to adapt to the design of your body. The person might ultimately move out of the position, although developing a form for the body can help to resolve the issue. Because of this, improper pressure points will soon be formed about the body. Later, the study staff from the Ames Research Center of NASA located a method to develop a foam that may adjust the the body's condition. It's a visco foam that can equally distribute the weight of the human body towards the foam area. In 1991, a company situated in Sweden, Tempur Pedic bought the study mattresss foam for the people in Sweden. After that, Tempur Pedic offered the memory mattress foam to 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 to the local consumers and to make their own designs of foam beds. Synthetic polyurethane foam material can be used since the foam memory. The bed manufacurers can add various kinds substances to change the occurrence of the foam. The foam will have higher density, following the substance is included. Besides, a viscoelastic foam product will be added by the maker. The viscoelastic foam is non-toxic. The foam weight is detemined by how much compounds are used within the foam's manufacturing process. Lighter memory foam mattress weight among 2 - 3 lb.