memory foam

Memory foam uses polyurethane foam made up of tiny air bubbles. The air in each cell moves as you lie on it from cell to cell allowing some cells to compress and other cells to expand. The foam takes your shape but the material density will support the weight. Density differences will allow for softness or firmness in the memory foam mattress.

The density is measure in pounds and should be displayed at the point of purchase. The density is measured in cubic pounds so 3-pound density means one cubic foot of memory foam weighs three pounds. The normal range of density is from 3 pounds to 6 pounds, with 6 pounds being the most firm and supportive.

Firmness is measured with an ILD score. ILD stands for indentation load deflection rate or how much weight it takes to compress the mattress by 65% then allow it to spring back. The more weight it takes to compress the memory foam, the firmer the mattress and the higher the score.

The softness of the memory foam and the lack of metal springs provide more comfort to many sleepers and is said to improve circulation and improve back pain. For these reasons alone, the topic receives much interest from bloggers online who often offer customer reviews on related products to help consumers in their decisions.

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Latest blogosphere posts tagged “memory foam”

 

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• Natures Sleep Ultra Comfort Memory Foam Slippers - Review & Giveaway - ends 6/28 US

  
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• So comfy

  
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• Natures Sleep Memory Foam Slippers Review and Giveaway

  
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