In addition to formaldehyde decoration, 99% of people use these wrong methods!
After years of renovating the decoration industry, we can certainly tell you that the so-called zero-formaldehyde business does not exist, but it is a publicity gimmick, unless all choose to use solid wood decoration, otherwise, after the renovation of the house, especially in the summer, formaldehyde is excessive A widespread phenomenon. Decoration is not an inevitable thing to do in addition to formaldehyde . Before carrying out the renovation in addition to formaldehyde , in addition to understanding the source of formaldehyde, we must also know whether or not the method of removing formaldehyde is really effective. Here, let me give you a detailed summary. Decoration main source of formaldehyde in addition to formaldehyde In general, all kinds of man-made boards, such as plywood, blockboard, chipboard, medium density fiberboard, etc., and adhesives used in the decoration process are the main sources of formaldehyde. These reflected in the home improvement, mainly in the furniture. In fact, most of the artificial board furniture contains formaldehyde. Look at the figure below. The composition of the board is: The main source of formaldehyde for man-made board furniture, the paint layer of boards and the adhesives added during the manufacture of man-made boards. The formaldehyde in the paint layer is not used any more than I say, mainly to mention the adhesive. In the current artificial board technology, there are three main adhesives used: urea-formaldehyde resin, phenolic resin, melamine formaldehyde resin. Looking at the name is related to formaldehyde, and these glues will be released continuously as we use the furniture. From a professional point of view, the amount of glue used varies depending on the structure of the sheet. In fact, the amount of adhesive MDF> Particleboard> Blockboard> Plywood> Multilayer solid wood panels> Plywood> Solid wood panels. Not to create panic for you, but it is true that formaldehyde is still unresolved in 10 years and 8 years. Therefore, choosing environmentally friendly and healthy furniture is really responsible for the health of the family. ◠Select furniture with formaldehyde emission that meets national regulations. At present, there are two levels of health standards used to monitor formaldehyde emission in China: E1, E2, and E3. Selecting furniture that meets the environmental protection standard of the E1 level, the E0 level of some merchants is actually equivalent to the E1 level. It is only for propaganda and there is no superiority. ◠Regardless of composite or solid wood furniture, there is formaldehyde. Composite is a multi-layer sheet glued with glue so there is formaldehyde. There are paint on the surface of solid wood, there is also formaldehyde, the taste of the sun in the summer sun room is more obvious. There is no way to buy this product. It is better to choose the brand that you can trust as much as possible. In addition, there are paints, textiles, etc., which are seriously polluted by formaldehyde. Everyone knows the formaldehyde in the paint. Now the paint market is relatively transparent. Choose a reliable big brand and see that certification can be used with confidence. Decoration in addition to formaldehyde, formaldehyde on the human body Although formaldehyde is an irritating gas, it is in fact not of any taste. As the most important and most gratifying indoor pollution source, it is not that it is highly toxic, but that it can release continuously for a long period of time with a sustained release period of up to 3-15 years. And it usually smells less than 2-3 times the smell! If you smell it, it is a serious violation! Different concentrations of formaldehyde harm the human body, see for yourself. More than 6, it may cause pulmonary edema, if it reaches 30, it will immediately cause death! Here, we really have to advise everyone, Jane decoration! More ventilation! Too much time to choose home improvement building materials, as far as possible from the source of formaldehyde say no! Decoration in addition to formaldehyde decoration in addition to formaldehyde evaluation method of course not! Home decoration in addition to formaldehyde is a long-term operation, a search for online decoration in addition to formaldehyde, will jump out of a variety of tips, but really useful? Let us take a review. 1, bamboo charcoal, activated carbon, diatom mud adsorption of formaldehyde Can it be absorbed? Yes, but there are 2 conditions. One needs air flow to allow formaldehyde to come into contact with these adsorption carriers; the second is the contact area is large. However, the problem of adsorption is that it will be released after saturation, that is to say, when these materials absorb enough formaldehyde, if the temperature rises, the originally absorbed formaldehyde will be released, causing secondary pollution. Practicality: ★✩✩✩✩ Some green plants have an absorption function for formaldehyde, such as Chlorophytum. Studies have shown that if 100 square meters and 3 meters of floor height are used, the concentration of formaldehyde is 0.5 milligrams per cubic meter. It takes one year for a spider plant to absorb free. Formaldehyde, which is not the amount of material released continuously from the board. In other words, if you have a family of dozens or hundreds of spiders, you may be able to use it a little bit theoretically. 3, photocatalyst decomposition of formaldehyde Practicality: ★✩✩✩✩ If adsorption does not work, can you break down formaldehyde? Photocatalysts can decompose formaldehyde into water and carbon dioxide. Not to mention that this thing may have secondary pollution, and it is not always possible to buy real goods. In addition, photocatalysts need to have a necessary environmental condition in addition to formaldehyde: ultraviolet light. however...... 1 The number of UV rays required for photocatalyst is not satisfied by the ultraviolet rays in sunlight, and the house needs to be covered with UV array lights to satisfy. 2 Formaldehyde that can be processed by photocatalyst is only formaldehyde around it and cannot be processed for several centimeters. 3 Photocatalyst particles are PM-10-10th power, which is a new air pollutant for the home environment 4 At present, most of the domestic photocatalyst products do not have long-term removal of formaldehyde and can only last for one or two months. The main purpose of Japan Photocatalyst is the use of exterior walls of buildings and it is not used in homes to remove formaldehyde. 4, in addition to formaldehyde products Practicality: ★★✩✩✩ There are also specialized formaldehyde removal products on the market. For example, formaldehyde scavenger “removes†formaldehyde by chemical reaction. The essence of this method is to oxidize formaldehyde to formic acid, but it is easily decomposed and sprayed on the wood. Damage to wood does not speak, and it loses effectiveness within hours. Moreover, the high concentration of hydrogen peroxide sprayed in the air will cause people new pollution hazards. Other oxidants and reducing agents are also not effective in removing formaldehyde, and will introduce similar new pollution. 5, window ventilation Practicality: ★★★★★ In fact, the most useful method is still dilution. It is safe to lower the formaldehyde concentration. The most common method of dilution is ventilation. Formaldehyde has two major characteristics. First, the release rate is faster at high temperatures, and second, it is soluble in water. Under the conditions of high temperature, high humidity, and negative pressure, the rate of decomposition of formaldehyde can be increased. High temperatures, such as summer or indoor air-conditioning heating; high humidity, open the humidifier; negative pressure, in addition to window ventilation, you can spend 300 or so to buy an exhaust fan to the outdoor ventilation. 5, fresh air system Practicality: ★★★★✩ The way local tycoons love it. It is appropriate to open the window for ventilation in summer, but in the winter, it seems a little inapplicable. If the budget for decoration is not tight, it may be better to spend 20,000 to 30,000 new air systems. Not only can outdoor fresh air be brought into the room, but also it can be filtered and heat-exchanged through PM2.5 to ensure no loss of indoor temperature. 6, air purifier (including activated carbon filter) Practicality: ★★★★✩ Air purifiers were not designed for formaldehyde, but formaldehyde pollution has been raised in recent years. The activated carbon filter in the air purifier can play a role in the physical adsorption of formaldehyde. Although the adsorption is less, it still has a little effect. However, it should be noted that in order to prevent secondary pollution, activated carbon filters should be replaced on a regular basis, and it is generally advisable to replace them once every 7-8 months. The above mentioned so many methods, but personally think that the most effective method of decoration in addition to formaldehyde or ventilation is the most effective, if you do not have conditions to install fresh air system, you may try indoor heating, humidification, exhaust method, the budget is less effective. In addition to formaldehyde formaldehyde Gate Valves are called "full-flow" valves; there's a direct unobstructed path for flow right through the middle of the valve. A wedge-shaped brass gate is lowered into a machined slot to close the valve. They should either be completely open or completely closed. Water flowing through a partially open gate valve wears away the metal and causes the valve to fail over time. Brass Gate Valve, Flanged Gate Valve, High Pressure Gate Valves, Water Gate Valves ZHEJIANG KINGSIR VALVE CO., LTD. , https://www.kingsir-valves.com
If it is not possible to eliminate the source of formaldehyde at the source, is it only possible to allow formaldehyde to be used as it is? 
Practicality: ★✩✩✩✩ 
2, green plants absorb formaldehyde 
Some people have done tests in their new homes, opened air conditioners, opened humidifiers, and used 520m3/h ventilation fans to conduct ventilation. After 24 hours, the formaldehyde concentration decreased by half and did not rebound. In fact, summer is a good season to remove formaldehyde. 
