However, this is not the case. At present, the quality of diatom mud brands on the market is mixed, so the choice of diatom mud should first consider functionality and environmental protection. Moreover, diatom mud generally needs to be made in two layers to prevent poor results in the later stage. Prices range from 150 yuan to more than 300 yuan. Of course, not to mention the higher price, so let's walk into the users who have used diatom mud and see how they evaluate it.
Diatom mud was used, but the formaldehyde exceeded the standard.
Three years ago, Mr. Chen's home was decorated in a city. For environmental protection and health, he deliberately chose diatom mud as a wall coating. "At that time, there were not many people who used diatom mud, and the price was not cheap. It is much more expensive than wallpaper, but I think it is worthwhile to spend some money for the health of my family, so I bought it. "
Mr. Chen told the reporter with great regret: "I didn't expect that after coating diatom mud, I found a professional organization to test, and formaldehyde actually exceeded the standard. I asked the seller, and the seller said that diatom mud itself does not contain formaldehyde, but glue is needed in the process of climbing the wall, and the glue contains formaldehyde. Isn't this a lie? " In order to prevent future troubles, he finally had to find someone to eradicate all diatom mud and make latex paint again.
"Diatom mud needs glue on the wall?" The reporter took Mr. Chen's question and ran several diatom mud brand stores. Some sellers say that diatom mud itself is mud and is not sticky. The wall needs glue, but it is not used much, so that formaldehyde will not exceed the standard. Some sellers said that Mr. Chen bought a fake.
A salesperson told the reporter categorically: "That must be false! Really diatom mud doesn't need glue to go to the wall at all. " Sales staff said that diatom mud contains diatomite, just like cement. As long as a little water is added, it will be sticky and can be directly applied to the wall. You can see it on the spot when the workers are working.
Another salesperson also confirmed this view: "The real diatom mud can be directly added with water on the wall without adding glue." However, the sales staff also revealed that there are about 80% diatomite in diatom mud, and the remaining 20% is added with special chemical materials, such as titanium dioxide and other photocatalysts. "Only by adding a reasonable amount of photocatalyst can diatom mud give full play to the role of decomposing formaldehyde, and there will be some gelatin, which is animal glue and non-toxic, just to increase viscosity."
"Fake diatom mud is to stick diatom earth on the wall with different chemical adhesives. This practice has seriously blocked the molecular structure of diatom mud, so it cannot play the role of diatom mud adsorption, air purification and humidity regulation, and diatom mud has lost its' health and environmental protection' performance. " Some salespeople said that what is more serious is that a thick layer of diatom mud wall mixed with chemical adhesive will continuously release various harmful gases to pollute the indoor environment, and the release time is longer than that of traditional latex paint. "So we all use glue-free wall hanging technology."
The domestic diatom mud market is chaotic.
The reporter visited a number of decoration building materials markets and found that there are many brands of diatom mud. Every brand says its own is the best, but what brand of diatom mud is the best? Is diatom mud really environmentally friendly? These have become questions in the hearts of consumers.
Although diatom mud merchants promote the environmental protection function of their products under the banner of "breathable wall", "pure natural and pollution-free" and "a wall is better than a green forest", they cannot provide evidence for the above functions of their products. Many salespeople just said, "there is no way to demonstrate on the spot, but don't worry, you can find a professional testing agency to test yourself after decorating the house." If there is any problem, our business will take full responsibility. "
Between brands, it is also "pinched" badly. Some brands say that adding photocatalyst can make diatom mud give full play to the role of decomposing formaldehyde. Other brands claim that high-purity diatom mud can release negative oxygen ions, and can decompose and absorb formaldehyde well without chemical additives, and claim that "chemical additives will block the cracks in diatom mud and release formaldehyde, leading to secondary pollution."
Between brands, it is also "pinched" badly. Some brands say that adding photocatalyst can make diatom mud give full play to the role of decomposing formaldehyde; Other brands claim that high-purity diatom mud can release negative oxygen ions, and formaldehyde can be decomposed and adsorbed well without chemical additives, and claim that "chemical additives will block the cracks in diatom mud and release formaldehyde, leading to secondary pollution."
Now most people are well-off and have good family conditions, and pay more and more attention to health and environmental protection. It is precisely because many profiteers take advantage of this that it is difficult for consumers to judge whether it is good or bad, so when buying diatom mud, we must see whether the environmental monitoring provided by him meets national or international standards, and we must pay special attention to whether the glue contains a lot of formaldehyde!
The above is the environmental protection related content of diatom mud introduced by Bian Xiao, hoping to attract everyone's attention.