Memoryfoam mattress is a kind of bed that is produced from polyurethane. Besides polyurethane, it's also created from other styles of compounds. The compounds which can be put into the mattress foams gives it the capability to increase in thickness. Memory foam mattress can also be called visco elastic memory foam. The bed was developed to be able to meet up with the demand of the bed customers. The Foam Mattress' annals might be traced back again to NASA's Ames Research Center. NASA's Ames Research Center borrowed a task 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 used to adapt to the form of your body. Although creating a mold for your body can help to fix the problem, anyone could ultimately move out of the career. Around the body, wrong stress points is going to be created consequently. Later, ways to develop a foam that will evolve the your body's shape was found by the research staff from the Ames Research Center of NASA. It's a visco foam that could equally distribute the body's weight towards the foam floor. In 1991, a business situated in Sweden, Tempur Pedic bought the investigation mattresss foam for the people in Sweden. Next, Tempur Pedic offered the memory mattress foam to the people that live-in Canada and Usa. Tempur Pedic's bed became highly popular. The success of Tempurpedic had caused the companies provide them to the local consumers and to produce their particular types of polyurethane foam beds. Synthetic polyurethane foam material is used while the foam memory. The bed manufacurers will incorporate various kinds substances to alter the occurrence of the foam. Following the substance is included, the foam can have higher density. Besides, a viscoelastic foam material will be added by producer. The viscoelastic foam is non-toxic. The foam weight is detemined by how much compounds are used within the manufacturing process of the foam. Most foam mattress features a fat of 4 - 5lb. Lighter foam bed fat in between 2 - 3 pound.