Saturday, June 7, 2008

The Secret of Tempur-Pedic Mattress Foam

Density, firmness and heat responsiveness are what make a memory foam mattress supportive and comfortable. Each foam has a unique recipe that gives it its own feel, longevity and performance. So what is the recipe of Tempurpedic visco foam mattresses?
Being one of the best known brands on the market, there is a wealth of information on Tempurpedic mattress technology. Reading about it gives you invaluable tips for choosing a memory mattress, be it the Tempur brand or not. For example:

The Top Factor In Tempurpedic Mattress Success

Memory foam density ranges from 2.5lb to 5.9lb. (density is measured in pounds per cubic foot). Tempurpedic foam used in memory mattresses is 5.34 lb which means that a cube of Tempur material, one foot in each direction, weighs a whopping 5.34lb. But how does this relate to comfort and support?
Generally speaking, mattresses made of the higher density foam are much better quality and perform better over their expected lifetime. Here's why.

High Density Foam Has More Body And Longer Memory

In high density foam like Tempurpedic's, there are billions of small, open cells (bubbles with holes in them), tightly packed together. When you lie down on a Tempur mattress, air flows slowly between the bubbles giving it time to gently cradle the natural hollows of your body, distribute your weight and relieve pressure.

  • High density Tempur foam has more body (thanks to the denser material), hence, it provides more cushion and better support. It conforms precisely to your body and slowly regains its original shape when you move, just like the hand imprint you may have seen on TV recovers after a few seconds.

  • Tempurpedic foam and other high density foams also have a longer memory. The general consensus seems to be that longer recovery from a compressed state makes a visco memory mattress more supportive. High density Temper foam also softens more slowly in response to body heat making it feel more gentle.

  • You don't sink right through a high density memory foam mattress nor do you risk bottoming out. The extremely dense cell structure in foam mattresses by Tempurpedic and other top manufacturers supports you well without wearing out in a few years' time. Its firmness keeps you up as well.

  • High density visco foam like the ones used in Tempur-Pedic sleep systems is also more expensive to make because more raw material called resin, rather than air, goes into making the stuff. This is one of the things which explains why a Tempurpedic mattress is so expensive
Tempur-Pedic has a unique mattress recipe indeed but over the past few years other manufacturers in the US have also came up with good quality memory foam products so there's a wider choice on the market.

The ability to change firmness actually improves the support and comfort. The firmness and density of the cooler foam deeper in the bed holds you up. But increased support also comes from the foam's heat responsiveness. The visco elastic foam bed or topper softens at body temperature and makes up to 30% more body contact, thus improving weight distribution over a wider area.

Generally speaking

Higher density memory foam toppers are firmer because of the better quality resin used to make them. But this may not always be the case. You may come across firm, low density toppers.
High density visco foam like the one used to make Tempurpedic beds perform better as long as their firmness reacts to body temperature and adjusts in order to improve weight distribution and relieve pressure.

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