Memory foam mattress is a sort of bed that's created from memory. Besides polyurethane, it is also produced from other styles of chemicals. The compounds which might be added to the mattress foams provides the capacity to increase in thickness to it. Memory foam mattress is also called viscoelastic memory foam. The mattress was created in order to meet with up with the demand of the mattress consumers. The annals of the Polyurethane Foam Mattress can be traced back again to NASA's Ames Research Center. The Ames Research Center of NASA backed a task to design a mattress foam which will help to relieve back pain of the astronauts caused by g forces in the 1970s. NASA believed that the foam material should be applied to conform to the human body's form. Although creating a form for that body can help solve the issue, the person would ultimately transfer of the position. Consequently, inappropriate stress points will be formed on the body. Later, ways to create a foam that will conform the the body's appearance was located by the study group from NASA's Ames Research Center. It is a elastc foam that can equally distribute the weight of your body for the foam surface. options of mattress-inquirer Synthetic polyurethane foam material can be used whilst the foam memory. The mattress manufacurers may incorporate several types of compounds to improve the density of the foam. Following the chemical is added, the foam will have higher density. Besides, the manufacturer may add a visco elastic foam product. The visco elastic foam is non-toxic. Howmuch substances are utilized within the foam's production process detemins the foam fat. Lighter foam mattress fat between 2 - 3 lb. In 1991, Tempur Pedic, a company situated in Sweden bought the people the research mattresss foam in Sweden. Next, Tempur Pedic bought the memory mattress foam towards the people that reside in United States and Canada. Tempurpedic's mattress became highly popular. The success of Tempurpedic had caused the manufacturers to generate their particular designs of foam mattresses and provide them to the local buyers.