Memory foam mattress is just a form of bed that is created from memory. Besides polyurethane, it is also made from other forms of chemicals. The compounds which might be included with the bed foams allows it the ability to increase in thickness. Memory foam mattress can also be called viscoelastic polyurethane foam. The bed originated so that you can meet with the desire of the bed shoppers. The Foam Mattress' real history can be traced back to NASA's Ames Research Center. The Ames Research Center of NASA financed a project to style a mattress foam that can help to relieve back pain of the astronauts caused by g-forces in the 1970s. NASA thought that the foam product must be applied to comply with the shape of the human body. The person could ultimately transfer of the career, although developing a mold for that body can help resolve the situation. Consequently, inappropriate stress points is going to be created to the body. Later, a way to create a foam that will adapt the the body's form was identified by the investigation group from the Ames Research Center of NASA. It's a elastc foam that could evenly distribute the weight of your body to the foam floor.http://thebest-mattress.comSynthetic polyurethane foam product is used whilst the foam memory. The bed manufacurers will add several types of substances to improve the density of the foam. The foam can have higher density, following the chemical is included. Besides, a visco elastic foam product will be added by producer. The viscoelastic foam is nontoxic. Simply how much chemicals are employed in the foam's manufacturing process detemins the foam weight. Many polyurethane foam mattress has a weight of 4 - 5lb. Brighter memoryfoam bed weight among 2 - 3 lb. In 1991, Tempur Pedic, a company located in Sweden sold the people the study mattresss foam in Sweden. Next, Tempur Pedic bought the memory mattress foam towards the people that are now living in Canada and Usa. Tempurpedic's bed became extremely popular. Tempur Pedic's achievement had caused the suppliers to create their own designs of polyurethane foam mattresses and promote them for the local people.

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