When purchasing wall paint, you should pay attention to the actual functions of the wall paint, such as wall paint quality and environmental performance. There is no need to deliberately require other functional functions.

Detail 1: There are “traceable traces” of real and fake wall paint

Although some inferior wall paints can be fake on the packaging, you can still find loopholes through careful comparison. There are barcodes on the packaging barrels of wall paint, which are anti-counterfeiting codes. Consumers can enter the barcode through the product-related website to confirm. Fake and shoddy wall paints will generally be "revealed" at this point.

Once inferior wall paint is applied to the wall, it will not only affect the beauty of the wall, but also directly affect human health. Especially the harmful substances contained in wall paint. The content of harmful substances in inferior wall paint often exceeds the standard, causing harm to the human body. For example, excessive formaldehyde can cause eye and throat irritation, skin allergies, and even asthma. Lead, Heavy metals such as chromium and mercury exceed standards and are harmful to the nervous system, cardiovascular and genetics.

Therefore, when purchasing wall paint, you must choose environmentally friendly wall paint. Regular brands of wall paint must have environmental testing reports. When purchasing, you should ask the merchant to produce the testing report. It is best to save The most recent (within half a year) national testing report produced by the testing department above the level to check whether the environmental protection data of the wall paint meets the national limit indicators.

Detail 2: The date of manufacture is also key

Inferior wall paint not only has poor environmental performance, but also has poor glossiness, obvious granularity and rough feel in the paint film. Although high-quality wall paint can greatly reduce these problems, once the wall paint expires, it will emit odor and change color. After the wall paint is mixed with water, it cannot be completely dissolved in water, affecting its use.

High-end wall paint generally has a longer shelf life, but in order to ensure the effectiveness of the wall paint, when purchasing wall paint, in addition to checking the environmental testing report, you should also pay attention to the factory time and shelf life of the wall paint. In addition, not all expired wall paint cannot be used. If you find that the wall paint has only expired for three or five days, you can still use it according to a 30% water dilution rate, that is, for every 10 liters of wall paint, add 3 liters of water. Some high-quality wall paints can also be mixed with water up to 40%.

Consumers can choose the wall paint thickness according to their own preferences. After applying low-quality wall paint, the paint film is relatively thin and it is difficult to cover the traces of putty and sandpaper left when treating the base layer of the wall. Generally speaking, after applying wall paint, the paint film should be smooth, even, and without traces of the base layer.

Detail 3: Pay attention to the glossiness of wall paint when choosing it

The colors of wall paint on the market are also diverse. From the perspective of decorative effects, there are currently matte, matte, and glossy The prices of wall paints such as , semi-gloss and other wall paints will also fluctuate slightly due to different painting effects. The difference in labor costs when painting different types of wall paints is very small. Generally speaking, the difference is about 2 yuan per square meter. .

After applying matte wall paint, the wall will have a lower sense of light, while after applying glossy wall paint, the wall will have a more obvious sense of light. At present, in order to pursue the brightness of the room, some consumers like to choose glossy wall paint with high light sensitivity. Qi Fuquan said that when the sunlight and light are strong, the glossy wall paint will produce reflections, which can easily cause discomfort to people's vision, resulting in matt and dull colors. Or semi-gloss wall paint is not easy to reflect light and is more suitable for use in the living room.

In addition to the different light sensitivities of the wall paint itself, differences in painting techniques will also lead to different light sensitivities on the wall. If the wall paint is unevenly applied and the wall base is uneven, "shadows" or even "goose-egg patterns" may appear on the wall after painting. If similar problems occur, you need to re-sand the wall with sandpaper, and then apply wall paint evenly. . .