Memory foam mattresses2/21/2023 ![]() In the context of memory foam, when we say that the material is “viscous”, we mean that it takes a long time to change shape under pressure, or to transfer energy from one place to another. Ultimately, these chemicals affect two of the main qualities of memory foam: viscosity and elasticity. ![]() It is created by adding various compounds and additives to polyurethane, which change depending on the type of foam being created. Memory foam is what is known as “viscoelastic” polyurethane foam, or low-resistance polyurethane foam (LRPu). Polyurethane is an incredibly common and versatile plastic polymer that can be used to produce a wide range of materials and products, including furniture like sofas and mattresses, but also products like insulation, liquid paints and primers, spray foam, elastic fibers, car parts, and even tough elastomers like roller blade wheels. The main component of memory foam is a polymer (a substance with large molecules, consisting of many small, similar subunits bonded together) called polyurethane. In this guide to all things memory foam, we’ll break down the ins and outs of the material, how it’s used in mattresses, and what to look for as a smart mattress shopper.Ĭheck out our full guide with research if you’re looking to find the top-rated memory foam mattresses? What is Memory Foam Made Of?įirst thing’s first: what is memory foam, physically? ![]() Since then, memory foam mattresses have exploded onto the market, especially with the growth of mattress-in-a-box brands.īut what exactly is memory foam? What is it made of, how does it work, and how do you know if it’s the right choice for you? However, it wasn’t until the 1990’s, when Fagerdella World Foams released their flagship TempurPedic Swedish mattress, that memory foam was introduced as a mattress material. ![]() If you’ve been in the market for mattresses lately, you’ve probably heard the term “memory foam.” Mattresses come in many different styles, using many different materials, and memory foam has become one of the most popular.įirst designed in the 1960’s for use in NASA spaceship seats and seatbelts, shock-absorbing, pressure-relieving memory foam has also been used as cushioning in helmets and shoes, and use in prosthetics and wheelchair seating pads. ![]()
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