In home decoration, non-latex paint that touches consumers is the most. As long as the wall is painted, it can not be separated. For consumers, regardless of the purchase or brushing is very bothersome, quality, environmental protection, the price must be concerned about everything, the following small series brings you to buy the purchase of wall paint Raiders, hoping to help you in the purchase Latex paint is more peace of mind, more comfortable construction.
First, the purchase of wall paint
1, through the comparative test to see the market
The purchase of latex paint may be most concerned about environmental protection and prices. The most important environmental index of latex paint is the content of volatile organic compounds (VOCs). According to national standards, the VOC content per liter of latex paint cannot exceed 200 grams. In order to facilitate consumers to purchase latex paint, the Consumers Association of China has recently conducted a comparative test of 83 kinds of interior latex paint products in cooperation with the associations of Beijing, Shanghai, Guangdong, and Sichuan.
2, brand coatings more environmentally friendly
According to the results released, the environmental performance of the latex paint basically met the standard. The contents of volatile organic compounds (VOC) and soluble heavy metals in all samples were in compliance with national standards; only one sample of formaldehyde exceeded the upper limit of the national standard. Because the 83 samples used in the experiment were purchased from 19 building materials markets or supermarkets in four cities of Beijing, Shanghai, Chengdu, and Guangzhou, they covered major international and domestic brands and local brands, as well as products with different prices for the same brand. Therefore, consumers who pay attention to environmental protection can give priority to purchasing branded latex paints.
Special reminder: When buying latex paint, you should go to the reputable building materials market. The majority of mainstream branded products on the market for regular building materials meet the national standards for environmental performance.
3, the higher the price is not better
According to the test results, the price issue that consumers are most concerned about is actually not the higher the price, the better the performance index. The price of latex paint on the market is quite different. The prices of 83 samples per liter range from 7 yuan to 117 yuan. Compared with the sample with the highest price of 117 yuan per litre and the sample of 63.5 yuan per litre, there are no major differences in the test results of environmental performance, hiding power, stain resistance, and mold resistance. However, the two products with large differences in unit prices also have advantages and disadvantages in comparison of performance indicators.
Special reminder: In the purchase of such products, should be a good value for money as a purchase standard. Consumers should choose the latex paint with the corresponding characteristics according to the different functions of the room. Such as the bathroom, basement, the best choice for better mold resistance, kitchen, bathroom selection of stain resistance and scrub resistance better products; choose a certain degree of elastic latex paint, cracks on the cover, to protect the wall decoration effect; Choose your own multifunctional product.
In addition, it has also been found through inspection that due to the very close relationship between various performances of the coating products, and even mutual restriction, the single performance may not be outstanding for the multifunctional products popular in the market, but the overall performance is generally better.
Second, to determine the basis of four major performance indicators wall paint
Wall paint has a variety of indicators to determine the quality of its advantages and disadvantages. The following mainly lists the four indicators of the impact of mass, such as hiding power, adhesion, viscosity and fineness. By understanding these indicators of the paint, there will be a basis for checking the quality of the paint.
1. Coverage
Refers to the minimum amount of paint that is used to evenly apply the paint to the black and white grid, so that the black and white grid is no longer present, expressed in g/m2. The greater the weight is, the weaker the hiding power is, and the stronger the hiding power is, the less the amount of paint per unit area is used.
2. Adhesion
The adhesiveness between the coating film and the base layer, and the degree of fastness between the coating film and the surface to be coated through physicochemical bonding, and the coated surface may be a bare substrate or a painted substrate. The wall paint with weak adhesion is easy to fall off, affecting the appearance of the wall.
3. Viscosity
The viscosity of the coating can be measured using a paint viscosity measuring instrument. Viscosity is an important indicator in the performance of the coating. It can have a great influence on the storage stability, construction performance and film forming performance of the coating. If the paint is too thick, it will not be easily painted, but it will be too thin and easy to fall. Therefore, the viscosity of the paint must be controlled within a certain range.
4. Fineness
Refers to the uniformity of the size and dispersion of the particles in the paint. Fineness size directly affects the smoothness, gloss, and water permeability of the coating surface. In general, the finer the paint, the more expensive it is.
About the wall paint purchase Raiders introduced here, and hope to help everyone. If you want to know more related information, you can pay attention to this website information.
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