Mattress cover and memory foam mattress:

Viscoelastic polyurethane foam is a thermosensitive material, which reacts to temperature differences. For this reason, the use of a mattress cover can compromise its technical properties and characteristics, thus affecting our perception of the product which will prove to be less comfortable, as well as, in the long term, less beneficial.

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Memory likes the heat:

Being a thermosensitive material, memory foam reacts to body temperature, in particular to heat. In fact, when it heats up, the viscoelastic polyurethane foam that composes it softens. It will follow the line and the shape of our body. The ideal temperature, so that the mattress is properly deformed, is around 36 ° C. Just below that of a healthy adult.

Once the temperature is reached, the foam will reach its maximum degree of deformation, creating, together with pressure, a “perfect cast” of our resting position. This will last all night, disappearing in the morning, taking up its original profile. This is, in simple terms, its memory capacity, which has earned it the name with which viscoelastic polyurethane foam is commonly known.

Mattress cover: why not?

The mattress cover is an extra element, which is inserted directly on the mattress, without removing the cover, before the sheets. Its job is to protect the mattress from dirt, sweat, and bacteria, keeping it intact for longer. The most useful is the waterproof mattress covers, to be used in the beds of small children, who still cannot control their sphincters.

Usually, the mattress topper is made of sponge, equipped with special elastic bands at the corners to keep it stretched and adherent to the mattress. On the memory mattress, designed to have the maximum possible ergonomics and to adapt according to body heat, the mattress cover is not exactly “like cheese on macaroni”. Indeed, the exact opposite is true.

It is mainly because a sponge mattress cover increases the volume and thickness occupied by the mattress. In the second place because it could prevent the correct external-internal air circulation, making it perceive as warmer. Added to this is the fact that it “isolates” the mattress in memory from heat, in this way it will not be able to shape its shape on our body lines as it should.