Wall paint is one of the main decorative materials used for walls, occupying a large part of the entire home decoration area, playing a decisive role in the decoration effect and the living environment. Wall paint is so important, of course, when choosing to be cautious and cautious, the following let Xiaobian share with you about how to paint the wall paint , and what brand of wall paint is good related content.
How to divide the wall paint
According to the substrate: can be divided into organic coatings, inorganic coatings, organic-inorganic composite coatings. Organic coatings include solvent-based, emulsion-based and water-soluble organic coatings. Inorganic coatings include traditional cement, lime, and the like.
According to the decorative effect: it can be divided into flat and smooth surface coating, sand-like coating with sand-like decoration effect, and multi-layer coating for forming embossed pattern three-dimensional decoration effect.
By use area: can be divided into interior wall paint, exterior wall paint.
According to the use of functions: can be divided into decorative coatings, special functional coatings (such as fire-retardant coatings, anti-mold coating, waterproof coating, elastic coating, etc.).
Wall paint can be divided into different categories according to different standards. Specifically, it can be mainly classified according to the four dimensions of the substrate, the decorative effect, the use location, and the usage function. The four-dimensional arrangement produces a variety of coating categories. In general, the substrate and the area of ​​use are often combined to name the paint, such as solvent-based exterior wall paint, water-soluble interior wall paint, inorganic exterior wall paint, and so on.
Commonly used wall paint, latex paint has many advantages
The paint on the market is mainly latex paint, and most household wall decoration mainly uses latex paint. Latex paint is a kind of organic paint, and it is a kind of water-based paint formulated by adding synthetic resin emulsion as base material by adding pigments, fillers and various additives. Compared to other wall coatings, latex paint is more environmentally friendly, and there is no danger of explosion and fire during transportation and storage. At the same time, it has the advantages of convenient construction, fast drying of coating film, good air permeability, and good water resistance.
What brand of wall paint is good
Environmental Protection Index 1: VOC content. The country now implements mandatory implementation standards, that is, VOC ≤ 200g/L. There are three types of effects of VOCs on the human body: odor and sensory effects; morbidity caused by mucosal irritation and other systemic toxicities; certain volatile organic compounds have been shown to be carcinogens or suspected carcinogens.
Environmental protection index 2: formaldehyde content. Now the country implements the mandatory implementation standard value ≤ 100mg/kg. Formaldehyde itself is highly toxic, it has a strong coagulation effect on proteins, it can denature it by combining with the amino and hydroxyl groups of nucleic acids, it can hinder the action of stomach enzymes and pancreatic enzymes, and it will affect the metabolism function. Its vapor is carcinogenic to rodents. effect.
Environmental Protection Index 3: Heavy metal content. Heavy metals mainly refer to soluble lead, cadmium, chromium, mercury, and other substances. Certain heavy metals are essential trace elements within a certain concentration, but after entering the human body beyond the limits to which the human body can tolerate, severe physiology can be caused. Damage caused a variety of diseases. Lead poisoning is more severe in children, and children have a special susceptibility to lead. US Federal Regulations CFR1303 stipulates that the lead content is more than 60mg/Kg as lead-containing paint and it is forbidden to be used in public places or interior decoration.
Performance index 4: scrub times. The number of scrub resistance depends mainly on the emulsion content and quality, and this main raw material also determines the main properties of the latex paint, such as scrub resistance, weatherability and color retention. The scrub resistance of good wall paint products is basically 5,000 times or more. For the ultra-white products on the market, the number of scrub times should be more important.
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