When we are doing home renovations, paint is used as the “outerwear†for homes, and wallpaper as a wall coat is undoubtedly the icing on the cake. How to choose a makeup material with a suitable function and good effect? Instead of being led by the propaganda of a business, it is particularly important and urgent to unravel the secrets under the "clothes."
European wallpaper
First, the current interior decoration interior wall coatings are those types
One type is the low-grade water-soluble coating, which is made by dissolving polyvinyl alcohol in water and adding other additives such as pigments. To improve its performance and reduce costs to take a variety of ways, many brands, the main products are 106,107,803 interior paint. The disadvantage of this coating is that it is not water-resistant and alkali-resistant, and the coating is easily peeled off after dampening. It is a low-grade interior wall coating and is suitable for general interior wall decoration. This type of paint has the advantages of low price, non-toxic, odorless, and convenient construction. Dry wipe can not afford powder, because its film is water-soluble, so with a damp cloth after scrubbing always leave some traces, durability is not good, easy to yellow discoloration, but its cheap, the construction is also very convenient, The consumption is still the largest, accounting for about 50% of the market, and it is mostly used for the decoration of interior and interior walls in mid- and low-end homes or temporary residences.
The second type is latex paint, which is a kind of water-based medium and is made of an aqueous solution of acrylic esters, styrene-acrylic ester copolymers, and vinyl acetate polymers. It is made by adding a variety of auxiliary components. The film forming material is insoluble in water, and the water resistance and weather resistance of the coating film are greatly improved compared with the first type, and no trace is left after the wet scrubbing, and there are different decorative types such as plain light and high light. Due to its low color, the decorative effect is similar to that of 106 types. In fact, these two types of coatings are not a grade at all. They are medium-to-high-grade coatings. Although the prices are relatively expensive, due to their excellent performance and decorative effects, they occupy a larger and larger market share. A good latex paint layer has good water, alkali, and scrub resistance, and the coating will never peel off after it has been wet. In general (under the same conditions of pigment, volume, and concentration), styrene-acrylic emulsion paint is better than EPR paint in water resistance, alkali resistance, scrub resistance, and ethylene-propylene emulsion paint than polyvinyl acetate latex paint (known as latex paint). it is good.
The third category is a colorful paint that is currently very popular. The film-forming material of the paint is nitrocellulose, which is dispersed in the water phase in the form of oil-in-water. A single spray can form multiple color patterns.
In recent years, there has been a fourth type of imitation ceramic coating. Its decorative effect is delicate, smooth, elegant, and the price is not high, but the construction process is complicated and the wet rub resistance is poor.
Second, how to judge the quality of latex paint
After opening the lid, the truly environmentally-friendly emulsion paint should be water-based, non-toxic and odorless, so if the user smells pungent or industrial flavor, it is not ideal. After a period of time, the surface of genuine latex paint will form a very thick and elastic oxide film, which will not be easily cracked, while inferior products will only form a very thin film that is fragile and has a spicy smell. Mix the latex paint with a wooden stick and pick it up with a wooden stick. The high-quality latex paint will become fan-shaped when it goes down. Touch with your finger, genuine latex paint should feel smooth and delicate. Real latex paint does not have a pungent odor, and the low-grade water-soluble coating of counterfeit latex paint may contain formaldehyde and therefore has a strong pungent taste.
A small amount of paint can be painted on the cement wall. After the coating is dry, it can be scrubbed with a wet rag. The real latex paint has strong scrub resistance. Rubbing one or two hundred times does not have a significant effect on the appearance of the coating. The low-grade water-soluble coating only Rubbing off more than a dozen times will result in a discoloration of the powder and the exposed bottom. The latex paint is applied to the wall, and the genuine color is as bright as new, giving people a different feeling.
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