Memoryfoam mattress is just a kind of mattress that's created from memory. Besides memory, it is also produced from other types of compounds. The compounds which can be put into the mattress foams presents the capacity to increase in density to it. Memory foam mattress can also be called viscoelastic polyurethane foam. The mattress was created as a way to meet with with the demand of the mattress consumers.The Foam Mattress' history might be traced back again to NASA's Ames Research Center. The Ames Research Center of NASA borrowed a project to design a bed foam which will help to relieve back pain of the astronauts caused by gforces inside the 1970s. NASA thought the foam material should be applied to adapt to your body's form. Anyone might ultimately transfer of the career, although making a mold for that body can help to solve the issue. To the body, wrong pressure points will soon be established consequently. Later, a method to create a foam that could conform the your body's condition was found by the research group from the Ames Research Center of NASA. It is a visco elastc foam that could equally distribute the human body's weight towards the foam surface.memory foam mattress reviews In 1991, an organization based in Sweden, Tempur Pedic offered the people the investigation mattresss foam in Sweden. Next, Tempur Pedic sold the memory mattress foam to the people that are now living in Canada and United States. The bed of Tempur Pedic became highly popular. The achievement of Tempur Pedic had caused the producers provide them to the local customers and to generate their particular versions of polyurethane foam mattresses.Polyurethane foam material is used as the foam memory. The bed manufacurers can add several types of compounds to alter the occurrence of the foam. After the substance is added, the foam could have higher density. Besides, a visco elastic foam material will be added by the manufacturer. The visco elastic foam is nontoxic. The foam fat is detemined by simply how much substances are employed inside the foam's production process. Most memory foam mattress features a weight of 4 - 5lb. Brighter polyurethane foam bed weight between 2 - 3 pound.