Foam mattress is a sort of bed that's created from polyurethane. Besides memory, it is also created from other types of compounds. The substances which might be included with the mattress foams gives the capacity to increase in density to it. Memory foam mattress can be called viscoelastic polyurethane foam. The mattress was created in order to meet with the mattress shoppers' desire. The annals of the Foam Mattress might be traced back again to NASA's Ames Research Center. NASA's Ames Research Center funded a project to style a mattress foam that can help to alleviate backpain of the astronauts caused by g forces in the 1970s. NASA assumed that the foam material ought to be used to conform to the form of your body. The individual might ultimately move-out of the positioning although developing a form for the body will help resolve the situation. Around the body, wrong pressure points is going to be established consequently. Later, a way to create a foam that could adapt the your body's form was discovered by the study team from NASA's Ames Research Center. It's a visco elastc foam that can consistently spread the human body's weight for the foam surface. serta memory foam mattress Synthetic polyurethane foam product can be used since the foam memory. The bed manufacurers can include several types of substances to change the thickness of the foam. After the compound is added, the foam can have higher thickness. Besides, the maker may put in a visco elastic foam product. The viscoelastic foam is nontoxic. Simply how much chemicals are employed inside the production process of the foam detemins the foam fat. Brighter polyurethane foam mattress weight among 2 - 3 lb. The finding caused Fagerdala World Foams of Sweden to test out it and sell the consumers it. In 1991, an organization located in Sweden, Tempur Pedic bought the research mattresss foam to the people. Next, Tempurpedic offered the memory mattress foam towards the people that are now living in Usa and Canada. Tempur Pedic's mattress became very popular. Tempur Pedic's achievement had caused the producers to generate their particular types of polyurethane foam mattresses and offer them to the local consumers.