A correct and thoughtful approach to the material from which a mattress is made is an important point in caring for human health. A few decades ago, consumers had the option of purchasing both a foam and an innerspring mattress. If the first attracted consumers with a soft and comfortable base, then the second - with durability and endurance. What has changed now?
The modern name for a foam mattress is polyurethane foam. The name change is associated with the release of various types of material with interesting features. To decide on the choice of a suitable base, you should study the recommendations, reviews of owners, and the features of caring for a foam rubber product.
Differences between polyurethane foam and foam mattresses
There are no significant differences between the materials. The chemical formula of foam rubber and polyurethane foam is the same, the starting components are the same, but special additives are allowed in the structure. In this regard, differences may appear in the degree of rigidity and in the speed of restoration of the original shape after loading.
Nowadays, “foam rubber” is usually called a low-density polyurethane foam mattress. Next we will cover the topic of the density of such mattresses.
A careful assessment of the characteristics will allow you to decide on purchasing the most suitable mattress material.
Hardness degree
Unfortunately, to simplify the definition of mattresses by material, criteria are used that often do not reflect their actual differences. For example, among inexperienced sellers, thin inexpensive mattresses are usually called foam rubber, and dense PU foam mattresses with increased product rigidity are called polyurethane foam. Therefore, always check the density and hardness of the material. It is important to understand that the required hardness is achieved during the preparation of the chemical composition before the production of blocks, and also depends on the features and production procedure.
There are several degrees of hardness of polyurethane foam mattresses, depending on the type of additives used.
- Very soft mattresses are based on thin and inexpensive foam rubber, which is not able to support the body in a comfortable position and ensure uniform distribution of the load on the spine and back during rest. We categorically do not recommend using such mattresses.
- Soft mattresses resemble a feather bed in which a person sinks, as if in a cloud of fluff. Increased softness creates extraordinary comfort for relaxation, but is not always beneficial for the spine. If such surfaces are recommended by an orthopedic doctor, then you should place an order without hesitation, otherwise you should pay attention to the next type.
- Medium-hard mattresses do an excellent job of supporting the body in a comfortable position, take an anatomical shape, and do not press through. A distinctive feature can be considered the slow restoration of the original shape. These mattresses are suitable for most people and last much longer than the first two types.
Kinds
Taking into account the degree of rigidity, there are 3 types of foam products:
- soft - like a feather bed, most harmful to the spine;
- medium, capable of maintaining the spine in a normal position, quickly restoring its shape when pressed;
- rigid orthopedic type consisting of spring, coconut coir, artificial latex to impart rigidity, firmness and elasticity.
The note! The degree of hardness will depend entirely on the composition and production technology used.
Buyers can choose the best option for themselves, but the most comfortable and beneficial for the spine with a long service life is considered to be an attribute with a medium degree of elasticity.
Density
Foam rubber is a high-quality and dense material, so it will quickly straighten after applying a load.
To ensure good rest and prevent problems with the spine, you need to select the optimal foam density coefficient for the mattress. This will help to correctly distribute body weight during sleep when using it.
Thickness
When choosing the thickness of the product, you should rely on your own weight. Thin - will quickly sag when applying a heavy load and is not suitable for overweight people.
The optimal thickness for a thin person with a single bed is 10-12 cm to quickly restore its original shape.
For people weighing over 60 kg, it is better to choose a mattress 15-16 cm thick.
Dimensions
The standard length for a 1.5-sleeping bed is 190x200 cm. Width is 120 cm, for a single bed – 70-90 cm.
For 2 bedrooms there are sizes 140x200, 200-200.
On request we can produce non-standard and required dimensions. The size must fully match the size of the bed. If there is a headrest near the bed, the mattress is selected 2-3 cm longer than the bed.
Thickness
The thickness of foam mattresses can start from 7 cm and reach up to 30. We do not recommend using mattresses below 10-14 cm as an independent sleeping place for an adult.
A mattress with a foam thickness of 10 cm or more is an excellent and affordable alternative to models made from other materials. For its manufacture, the manufacturer usually chooses high-density polyurethane foam, which guarantees:
- correct distribution of the load on the body,
- rapid return of the material to its original state, regardless of the strength and duration of the load,
- adjustment to the anatomical features of the owner.
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Advantages
- Hardness
A wide range of mattresses that differ in density allows customers to choose a model that suits their hardness. Excessively soft polyurethane foam is suitable for short-term sleep or rest, since prolonged exposure to such a base can negatively affect the spine. - Strength
One of the features of foam rubber is its porosity, which provides tear resistance. It is advisable to eliminate mechanical loads such as jumping on the surface, which will significantly extend the service life. - Viscosity
Mattresses can be purchased for people with greater weight due to the high degree of viscosity of the material. One clarification: you need to choose dense polyurethane foam. - Weight
Polyurethane foam mattresses are lightweight due to the porous structure of the material. The properties of such models resemble spring versions. - Cost
The bulk of foam mattresses are presented on the market at prices affordable to consumers. Among the cheap options, you can choose products that are small in thickness and quite soft, for the manufacture of which inexpensive materials are used.
Flaws
- The service life of polyurethane mattresses is shorter than that of mattresses with springs or coconut coir filling.
- When exposed to high temperatures (smoldering, combustion), the material releases toxic substances.
- According to some experts, foam rubber is not 100% safe when using mattresses.
- Polyurethane foam has low moisture transfer, so drying takes longer than desired.
PPU - what is it?
Foam rubber is not an entirely accurate name for our “filling”. It is easy to pronounce and for this reason in general use covers the entire group of “polyurethane foam” (PPU). More precisely, foam rubber is the same polyurethane foam, but its softest and most elastic variety. Synonym: sponge. The scope of application is wide. In the furniture industry it is used as stuffing for cushions on sofas and armchairs.
Anything stiffer is polyurethane foam. This is how it happened and how it is accepted. The degree of rigidity depends on the type of original polyurethane - the base component. The latter, in turn, refers to synthetic elastomers, the characteristics of which are strength and elasticity. Next is the wilds.
Foam rubber is also used in the manufacture of mattresses, but! The simplest and cheapest options, the only advantage of which is that they are new at the time of purchase. The safety and durability margin is a maximum of five years. Too soft, lacks orthopedic qualities.
The video explains how to choose a mattress based on its filling. Different types of PU foam-based fillers are discussed in more detail.
Tips for choosing a foam mattress
To ensure that your purchase does not cause harm to your health, you should carefully choose a polyurethane mattress. Offers to buy a product filled with foam rubber chips or from an unknown manufacturer should be avoided. It is impossible to justify spending a lot on purchasing a counterfeit product that will cause a lot of inconvenience during sleep and poor health after rest.
When choosing a foam mattress, you can focus on the following rules:
- avoid shopping in street markets, in stores that cannot provide certificates
- on product quality, manufacturer documents and other papers;
- perform an elasticity test, which will manifest itself in the elasticity of the material and the rapid restoration of its original state after deformation;
- review the internal material by contacting the manager or seller;
- test by lying on the surface, if possible;
- give up mattresses that are too soft and will not benefit your health;
- select options of high and medium degrees of hardness, guaranteeing good sleep,
- restorative rest, positive effect on the spine due to orthopedic characteristics.
Important! Before purchasing a model with orthopedic properties, you should make an appointment with an orthopedic doctor, who will be able to suggest a polyurethane foam mattress model of suitable hardness. The basis for the choice will be the characteristics and needs of the patient’s body. It is important not to self-medicate!
Many buyers were able to appreciate mattresses made from combined materials. In such cases, foam rubber is on one side, and, for example, coconut coir is on the other. You can find other combinations on the market that attract attention with their excellent characteristics.
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