What is IFD or Initial Force Deflection?

deflection force ifd initial
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What is IFD or Initial Force Deflection?

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IFD or Initial Force Deflection is one of many factors to take into consideration while shopping for a new mattress, in particular one that is constructed using either polyurethane or memory foam. Just looking at these two different types of foams, they all pretty much look the same, but are available in countless IFD variations. If you were to take a more scientific approach and measure these frequently used foam mattress paddings, you will see that there are some real major differences in foam. These measurable differences give you away to compare what is called IFD or Initial Force Deflection, just one of several important comparison factors to consider when you buy your next new mattress that contains foam. This precise measurement will assure you that you are getting what you paid for and just as important that you are comparing apples to apples. Why is Initial Force Deflection or IFD important? This firmness measurement often directly relates to the feel you will experience on yo

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