The independent pocket spring mattresses with a memory foam surface layer, although not the products most requested by our customers, still represent a good part of the mattresses made and marketed on the internet.
The springs in carbon phosphate steel:
To understand how a spring and memory foam mattress is made, we will start from its interior that is from its heart: the independent pocket springs. These are made by wrapping phosphate carbon steel wires in special springs; the factories that deal with the realization of springs.
Steel, as many of you will know, is an alloy of iron and carbon, more resistant to oxidation and to the wear of both iron and cast iron. To improve the elasticity of the springs, phosphate is added to steel and carbon.
The spring mattresses are composed of a very high number of these springs (from 400 to 1600 springs), which are then bagged individually. Using bags to keep the springs in position does not allow them to deform over time, in addition to preventing even more oxidation. Finally, being independent, the springs work separately, but in unison.
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The perimeter box in polyurethane and the memory foam layer:
From the heart of spring mattresses and memory foam, let’s go outside. The independent pocketed springs are fixed in a box in polyurethane fiber or water-foamed polyurethane. This box is essential to give shape to the spring mattress otherwise the springs would fold by moving from one side to the other.
The material used is synthetic. Thus it is possible to make a product that is 100% hypoallergenic. In addition, using special additives, the material will be more elastic and resistant. The polyurethane or silicone fiber boxes are breathable, ensuring a correct air exchange and preventing the formation of mold.
The padding and the cover of the spring mattresses:
The last part that goes to make up the spring mattresses is the fabric one: the padding. All mattresses have padding, which can be of different materials. The most used in the market in terms of yield: benefit, are synthetic fibers. These are in fact much more resistant than natural fibers and allow the finished product to always be 100% hypoallergenic.