Foam mattress is a form of mattress that's created from memory. Besides memory, it is also created from other forms of compounds. The chemicals which are included with the mattress foams presents it the capability to increase in occurrence. Memory foam mattress can be called viscoelastic polyurethane foam. The mattress was created as a way to meet with the bed shoppers' demand. The Memory Foam Mattress' history might be traced back to NASA's Ames Research Center. The Ames Research Center of NASA funded a task to create a bed foam which will help to ease back pain of the astronauts due to g forces in the 1970s. NASA believed the foam material should be applied to adapt to the design of your body. Anyone could ultimately transfer of the position, though making a form for the body will help solve the situation. Around the body, wrong stress points will be formed because of this. Later, ways to develop a foam that can adapt the your body's appearance was discovered by the investigation group from the Ames Research Center of NASA. It's a visco foam that may consistently spread your body's weight towards the foam floor. Synthetic polyurethane foam material is used whilst the foam memory. The bed manufacurers may incorporate several kinds of chemicals to change the thickness of the foam. Following the chemical is included, the foam can have greater thickness. Besides, a visco elastic foam material will be added by the manufacturer. The viscoelastic foam is non-toxic. The foam fat is detemined by just how much substances are utilized inside the foam's production process. Many polyurethane foam mattress includes a weight of 4 - 5lb. Brighter memory foam bed weight between 2 - 3 lb. In 1991, Tempur Pedic, an organization located in Sweden offered the study mattresss foam to the people in Sweden. After that, Tempur Pedic offered the memory mattress foam to the people that live-in United States and Canada. Tempurpedic's mattress became popular. Tempur Pedic's success had caused the producers to make their own designs of memory foam mattresses and sell them to the local customers.