Any repair work require a competent approach to the choice of materials and tools. Most often for giving any surfaces of the presentable type, paint use paint. Recently, the most popular water-dispersion acrylic paint. But before the acquisition, everyone sets himself as a question whether the paint will serve for a long time and is it safe for human health? In order to answer these and other questions, it is necessary to study all the advantages and disadvantages of this type.
Acrylic paint belongs to a large water dispersion group and is a suspension of small solids in a liquid solution. Separation within this group is practically conditional, as its solvent is water. Any paint of this species is a dense substance consisting of various components, due to which it acquires certain properties.
The composition of water dispersive paint includes elements involved in the formation of a special film on the surface carrying a protective function. In addition, it contains fillers, additives and painting pigments. Fillers may have as a natural origin, so the synthetic basis. Thanks to them, paint acquires certain properties. The content of the pigment gives the dye the desired color or shade, and additives improve paint properties.
The difference between the various types of this group consists of binding components, applications and price.
Acrylic water dispersive paint differs from other species of this group by the presence of polyacrylate. In addition, there are copolymers in its composition, directly involved in the formation of a film that protects the surface. This film is vapor permeable, and therefore the material under it is “breathing”. Molding and the development of pathogenic bacteria under the condition of a vapor-permeable surface is almost impossible, and therefore it is not at all dangerous not only for healthy people, but also for individuals suffering from allergies.
All components contained in the paint, non-toxic, and since the basis of acrylic dyes is water, and not a solvent, then there is no sharp smell. Yes, and there is nothing to ignite here, so the important dignity of acrylic paint is its fireproof.
The film created on the surface of the material is resistant to the effects of moisture, in addition, the painted surface perfectly washes. These properties are inherent and water dispersed paint based on latex, but are absent in the view having a pva.
An important advantage of the acrylic dye is the rapid drying of the painted surface, subject to the compliance with the prescribed temperature and humidity modes. In addition, components in the composition of paint are well masked small cracks, and the surface itself is resistant to mechanical effects.
The service life of acrylic dyes is long, the surface underwing in color will have a presentable view of at least 8-10 years without cracking, despite the impact of not always favorable external factors.
Work with acrylic paint is a pleasure. It not only goes to the surface well, but also does not require special means of protection. All sorts of masks and respirators used when working with solvent-based paints, are not needed here, since there are no poisonous for the respiration gases. And with random hit on the skin it is easy to launder, because the basis is water.
But it is worth remembering that remove traces of the dye from the skin or surface can only be in the first minutes. An hour later, it will be more difficult to make it more, since the film formed on the surface is quite firmly connected with the skin.
Almost the only disadvantage of this paint is the price. It is slightly higher than that of the water-making analog.
But it should be remembered that this species not only transforms the surface, and the applied layer serves a long time, but also has a small consumption of the mixture. This allows you to reduce the number of layers, and, it means, to save without prejudice to quality.
Sometimes water-dispersion paint is identified with water-emulsion. But this is not entirely true, as they differ in composition. Despite the fact that the basis of the other type is water, the basic components of the water-mounted paint can be either chalk or greased lime. PVA is also present in its composition. Components directly impose an imprint on its properties: it is faster deformed and has a short service life.
Acrylic or polyacryl paint, like many other paints and varnishes, corresponds to certain GOST parameters. This type of AK letters is labeled and is characterized by several parameters.
First of all it is the appearance of the surface of the surface. After drying, the covered layer should be smooth and smooth, having a homogeneous color without inclusions and divorces.
Such an important parameter as a shelterness affects the consumption of acrylate paint. Well, if 1 liter of paint weighs about 1.5 kg. Low density means the presence of excessive amounts of water, and high indicates the increased content of the filler.
Acrylic paints are usually low weight, so they are used to apply coating even on such not very durable material as plasterboard.
PH level depends on paint purpose. There are copies of both neutral and with a weakly alkaline indicator.
Such an indicator as frost resistance is determined using a multiple test of the applied paint layer under the influence of low temperatures. The level of stability depends on the amount of freezing. The higher this indicator, the better.
Where use acrylic paint?
Acrylic paint refers to universal types. It can be used not only for the inner, but also for the exterior decoration of buildings.
Good adhesion inherent in it allows you to paint almost any surface. It is equally well suitable for working with metal, wood, concrete, brick, as well as polymeric base.
Most often, this species is used in domestic purposes: for staining the ceiling, walls, doors and even furniture indoors. In addition, there are special species suitable for facade.
Acrylic paint is also used for artistic purposes, for example, to apply fabric pattern.
Terms of work with external painting
The exterior of the walls should be performed only if the air temperature reached +5. With lower indicators there is a probability of cracking surface.
Need to take into account air humidity. This indicator should be no higher than 80%, otherwise the surface will not be able to form a durable film. For complete solidification of the layer requires no less than a day.
The quality of the coating also badly affects strong wind and bright sun rays. In the first case, a large amount of fine garbage and dust can be accumulated on a non-dry surface. In the second case, the applied layer is too fast and uneven dried, which will lead to the formation of sublishes and divorces.
Ideally, there will be a windless day with a small cloud for dyeing outdoor surfaces.
Criteria when choosing paint
Any person starting to paint always interests which parameters to pay attention to the selection of acrylic paint. There are several such indicators.
First of all, you always pay attention to the country that made paint, and then on the brand. Companies who have proven themselves in the market are carefully monitored by the production of all goods manufactured by them, so their products meet the stated characteristics and has the required certificates of conformity. Recently emerging brands, as a rule, can not guarantee the perfect quality, reliability and durability of their products. Therefore, it is better to stop your choice on products of proven manufacturers.
When purchasing it is necessary to take into account all the parameters of the room, where it is planned to carry out work, among which the degree of illumination, the level of humidity, temperature at different times of the year, surface type, its purpose. Also importantly, what interior finish is planned.
Buying paint, calculate its expense in advance. In an acrylic mixture, this value varies within 120-150 g / m², but for some paint surfaces may require more. For a preliminary calculation, the consumption specified on the bank multiply to the coefficient of 1.15. This will help eliminate the likelihood of a lack of a mixture. Try to buy containers from paint large volume. This will save money.
Even more interesting facts about water-dispersion paint, you will learn from the following video.