Gel

[caption id="attachment_461" align="aligncenter" width="400"] Technogel's gel tower layer[/caption]  Infusion of bedding foams with gel was first used in Europe, and is now widely used in the United States.  Gel infusion was first introduced to modify the support properties of the foam.  Later it was promoted as making memory foam cooler. What is gel? Gel can be called a semi-solid.  It is both solid and fluid.  The International Union of Pure and Applied Chemistry defines it as...

Polyurethane Foam

One of the common ingredients in mattresses and upholstered is polyurethane foam.  In descriptions of mattresses, it is often called "poly foam." With differing densities, resiliency and other characteristics, it can be a base pad, support core, comfort layer, or quilting foam. It was used before the invention of memory foam, which itself was developed from polyurethane. Polyurethane (PU) foam is made by linking large molecules, usually isocyanates, to each other with modified oil molecules...

Beware of Biased Reviews

by Wesley Vaughn A Bed and Mattress article on Beds.Org discussed the importance of impartial bed and mattress reviews.  Finding honest, unbiased, impartial mattress reviews and bed reviews is vital if we use them to determine which bed or mattress to buy.  But while looking for impartial reviews, we need to  be wary of those which are slanted, especially those which are fraudulent. What is the purpose of a review? A review is usually considered a careful, honest evaluation....

Foundations

Overview Just as a foundation supports a building, so a foundation supports a mattress.  When mattresses were first made, they sat directly on the ground or the floor.  Sometimes the mattress was set on a raised area, a platform or ledge, which then became the foundation. This helped keep the bed dry and warm. At some point in time, those who could afford it had beds with legs built to hold the bed off the floor with free space underneath. Raised beds are not new. The Old Testament book...

Latex

Latex  is used in several ways in mattresses and bedding. It is commonly used in pillows and mattress pads/toppers.  It can be found in cover quilting and comfort layers on innerspring mattresses.  Even memory foam mattresses may have a latex layer.  Then there are latex mattresses, usually a latex comfort section over a base foam support core.  Some latex models also have a latex support core, either (mostly) a high-density and high resiliency latex foam or (seldom) a solid block of...

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