Wall paint includes exterior paint, interior wall paint and top paint. It is mainly latex paint and other varieties; latex paint is the main water-based paint, and nitro-lacquer and polyurethane paint are oil-based paints. Wall paint is an indispensable material in home decoration, so it plays a very important role in the decoration. It is precisely because of this that it requires more patience and care when purchasing.
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First, the purchase of paint
1. It's best to shop around before you buy and learn more about related products. For the same package, the same brand of goods, to consider comprehensively from the aspects of quality, price, service, etc.;
2. According to different parts of the choice of paint, such as the interior walls of the paint should have a strong adhesion, fine texture, and chalky characteristics; kitchen, bathroom, bathroom wash paint should have a waterproof, mildew, easy to scrub performance.
3. According to different wall characteristics when buying, buy different types of paint. Different materials and materials have different requirements for coatings. For example, polymer and water-based coatings should be preferred for concrete and cement mortar bases; and various solvent-based coatings should be preferred for wood bases and metal bases.
In addition, the shelf life of paint is generally two years, some brands do not indicate the validity period on the packaging barrel, only the production date, to be carefully identified in the purchase. When buying paint, pay attention to the use of accessories in construction, especially glue and primer. Even if you choose eco-friendly paint, you can't be sloppy when handling substrates. For example, 107 glue contained harmful substances, and the relevant regulations of the country have explicitly banned the use in home decoration.
Second, how to identify green paint
Environmental experts believe that paint is the second largest source of pollution in modern society. The appearance of green paint is undoubtedly a guarantee of health. The so-called green paint is a paint that can protect the environment, has the characteristics of non-toxic, no smell, can inhibit the growth of mold.
When choosing paint, how to identify whether it is green paint? First of all, when buying, you should choose brand products, and you must see whether the paint meets the national mandatory standards. Second, you should carefully check the product quality inspection report, especially the VOC content on the quality inspection report. According to the national standard, the VOC limit is not more than 200g per litre, the better paint is less than 100g per litre, and the environmental protection paint is close to zero. If you can get the seller's consent, you can ask the seller to open the paint bucket, personally test it. If there is serious stratification, it indicates poor quality. After gently stirring with a stick, the paint stays on the stick for a long time and covers evenly, which means that the quality is better. The lighter the hand, the finer the better.
Non-environmentally friendly paints have excessive odor due to harmful substances such as VOC and formaldehyde. Of course, do not buy products that smell very fragrant. In general, these types of paints have added flavors. The additives themselves are chemical products and it is difficult to ensure environmental protection.
Third, how to identify true and false paint
First, look at its shape. The paint contains less impurities, and the agitation is milky white and paint is good.
Second, check its color. Good paint is naturally divided into three layers, the surface of soy sauce or pig liver color, the middle light yellow, the bottom gray; full color is a fake paint.
Finally, smell it. Good lacquer has aromatic or acid odor. If there is corruption or other strange odor, it is deteriorating paint or fake paint. Long-lasting lacquer, good condition is also bad paint.
Links: The most simple paint selection method to improve the taste of decoration
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