Memory Foam

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I have just been reading a guide from a seller who I won't mention on here, and I couldn't believe how blatant the advertising was on their so called guide.

  • First of all they gave their company name and phone number.
  • Next they gave out false information about the best construction for a memory foam mattress.
  • They compared their product to another manufacturers, and actually named them.
  • They used American specifications (probably in an attempt to confuse).

Well I would like to give an honest guide to memory foam mattresses. I do sell a wide range, so as you will see I'm not just trying to point buyers towards my own products, as not all of the products I sell would fit into all of my recommendations.

These are some of the questions that I often get asked:

  1. How deep should the memory foam be?
    The optimum depth for memory foam is 2" to 2.5". Less than 2" and it wouldn't be enough to contour to your body. More than 2.5" and you sink into the mattress too far and become engulfed, this can make you too hot, and can also make it difficult to change position (especially if the density of the memory foam is too high).
  2. What density should the memory foam be?
    The recommended density is between 60 and 70kg per m3. However a range from 55 to 80kg per m3 is acceptable depending on personal taste. If the density is too low then it won't give as good support. If the density is too high the recovery of the memory foam is too slow making it very difficult to change position.
  3. Is it true that memory foam mattresses make you hot?
    There are two main reasons why some people say that memory foam mattresses make you hot:
    a) if the memory foam is on top of a reflex foam base then the air can't circulate under the memory foam to dissapate the heat. If the memory foam is on top of springs then the air can curculate and help to keep the mattress cool.
    b) if the memory foam is too deep then you will sink into the memory foam too far and be engulfed, thus making you too hot.
  4. Are there different types of memory foam as claimed by some sellers?
    There are some sellers on ebay who are claiming that their mattresses are memory foam, when in fact they don't contain any memory foam, but only contain reflex foam. Some even describe their products as 'Reflex Memory Foam', when this product simply doesn't exist, and they are actually opposite in construction. (See number 5 for descriptions).
  5. What is the difference between memory foam and reflex foam?
    Reflex foam is made up from lots of bubbles which when squashed will stretch the same as if you squash a balloon. When you release the pressure it will immediately go back to it's original shape (hence the name 'reflex').
    Memory foam is actually the opposite of reflex foam, and is made up from loads of very small holes (the higher the density the smaller the holes). When pressure is applied to memory foam all the air will escape through the holes. When the pressure is released the air will slowly re-enter the foam leaving an inprint for a few seconds (hence the name 'memory').
  6. Do pure memory foam mattresses exist?
    No, only memory foam toppers are made from memory foam only. Memory foam doesn't give any bounce, so there must be a layer under the memory foam that will provide bounce, otherwise you would sink right into the mattress almost to the full depth. The base layer can be either reflex foam, open coil springs, or pocket springs.
  7. Which type of memory foam mattress gives the best support?
    The pocket spring/memory foam combination gives the best support. This is because if you push down on a pocket spring then only that spring will be compressed. If you push down on a block of reflex foam the area around your hand will also be pushed down. This demonstrates how pocket springs can more accurately give support exactly where it is needed.
  8. Why are reflex foam/memory foam mattresses the most common?
    There are two simple answers to this question:
    a) anyone can take a slab of reflex foam, then glue a layer of memory foam to it, and then put it in a fabric cover. However sprung mattress construction is a far more skilled job.
    b) reflex/memory foam mattresses often come rolled up and vacuum packed, so are far cheaper to transport.

I hope I have covered most things here. If not then feel free to ask.

PLEASE LET US KNOW IF YOU FIND THIS GUIDE HELPFUL OR NOT.

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