Memoryfoam mattress can be a form of bed that's produced from memory. Besides polyurethane, it's also produced from other styles of compounds. The chemicals which can be added to the mattress foams allows it the capability to increase in density. Memory foam mattress can be called visco elastic polyurethane foam. The mattress originated to be able to meet the demand of the mattress buyers. The Memory Foam Mattress' history could be traced back again to NASA's Ames Research Center. NASA's Ames Research Center funded a project to design a bed foam which will help to relieve backpain of the astronauts caused by g-forces in the 1970s. NASA considered that the foam material ought to be applied to conform to the human body's shape. Although making a form for your body can help to solve the issue, the individual might eventually transfer of the position. Consequently, inappropriate pressure points will soon be produced to the body. Later, a way to produce a foam that may adjust the your body's appearance was found by the investigation group from NASA's Ames Research Center. It's a visco foam that could evenly spread the body's weight towards the foam area. dependable sleep solution In 1991, Tempur Pedic, a company based in Sweden sold the investigation mattresss foam to the people. Next, Tempur Pedic sold the memory mattress foam for the people that live in Canada and United States. The mattress of Tempurpedic became extremely popular. Tempur Pedic's achievement had caused the companies promote them towards the local buyers and to create their particular variations of polyurethane foam mattresses. Polyurethane foam product can be used since the foam memory. The bed manufacurers can include various kinds chemicals to alter the occurrence of the foam. The foam could have higher density, after the chemical is added. Besides, the maker may add a visco elastic foam material. The viscoelastic foam is nontoxic. The foam weight is detemined by howmuch compounds are utilized inside the manufacturing process of the foam. Brighter memory foam bed weight inbetween 2 - 3 lb.