When people buy wooden doors, they often look at their external and quality problems, and often ignore the environmental problems in wooden doors. So, what kind of wooden door is environmentally friendly?
Can cheap wooden doors be bought?
From a psychological point of view, the price is cheaper and allows consumers to buy wooden doors. However, in general, there are still some quality problems in the wooden doors with too low prices. Some of the wooden doors do not exceed the national standard. It may not be possible to find the problem in the past few years, but after a few years of use, people can know that the life of the wooden door is limited and it is difficult to repair. Therefore, in order to be more reassuring at the time of purchase, the wooden door has a longer life, and it is not cheap to buy a wooden door at a reasonable price.
Is the wooden door of pure solid wood environmentally friendly?
Some people have said that pure wood doors use less glue, which is definitely more environmentally friendly. Because the environmental protection of wooden doors depends on whether the rubber in the production process and the heavy metal content in the finishes exceed the standard. The production process of solid wood doors does not use glue very much, but as long as the wooden doors meet the national standards, it is environmentally friendly. Although the advantages of solid wood doors are many, but the processing technology is very high, so expensive, it is a high-end consumer product, for most people, it is not an ideal wooden door product. Other wooden doors, such as solid wood composite doors, are not worse than solid wood doors. As long as they meet the national regulations in the production process, there will be no environmental problems, which is more suitable for most people.
Will the wooden doors with good quality in the splicing mode be more environmentally friendly?
Some businesses will use the wooden door's splicing structure to be more environmentally friendly and better quality as a propaganda point, but whether this structure is better or not is not the case. For the wooden door to use the splicing, to a certain extent, without any glue, it can be said to be environmentally friendly. However, the splicing is a relatively delicate process, and it is not suitable for the modern industrialized assembly line processing mode, so in actual use, it is more likely to have deformation and cracking.
How to judge whether the wooden door is environmentally friendly?
Insiders told us that to buy a wooden door, we must first look at the environmental protection index. The formaldehyde emission of the wooden door should be less than 1.5mg/L. In addition, attention should be paid to whether the heavy metal content exceeds the standard. For example, the soluble lead should be less than 90mg/kg, and the soluble cadmium should not be greater than 75mg/kg.
The wooden doors on the market today are mainly classified into two types: original wood doors and composite doors. Original wood doors, as the name suggests, all parts are machined from a single piece of wood, without the use of adhesive compound splicing, the parts are connected by a gutter structure; and the connection between the plate body and the parts of the composite door is glued. The agent is bonded. In general, the formaldehyde content of composite doors is much higher than that of original wood doors.
Related reading: Are these methods really effective in removing formaldehyde?
Will the wooden door be safer and more reliable?
The answer given by the industry is not necessarily, the original wooden door may not be absolutely safe and formaldehyde free. Although, in theory, the original wood door is made of pure natural wood, it should not contain glue and paint. However, in actual production, this pure natural wood door is often unstable in quality and is prone to cracking and deformation. Therefore, the “original wooden door†currently on the market is not a pure original wooden door, and glue and paint must be used to some extent. With the current manufacturing process, the wooden door can not achieve absolute zero formaldehyde.
The composite door has a large amount of glue used in the process from assembly to skinning, and the pollution is more difficult to avoid.
The insiders remind consumers to purchase the wooden door, the right to ask the business to issue environmental protection materials related certification and authoritative department inspection report. Many brands of wooden doors verbally emphasize the environmental protection of products during the sales process, but they cannot get the relevant inspection basis. This situation should be carefully purchased.
The lower the amount of formaldehyde released, the better?
Formaldehyde emission is an important indicator for detecting whether wood doors are environmentally friendly. The state has corresponding standards for formaldehyde emission, but the amount of formaldehyde released is not as low as possible. The wood-based panel substrate is mainly made of urea-formaldehyde resin adhesive. If the formaldehyde emission is too low, the strength of the wooden door is not guaranteed, which will affect the future use. As long as the formaldehyde emission is within the standard, it is very safe and you can buy it with confidence.
What should I do if I buy a wooden door with excessive formaldehyde?
First of all, more ventilation can reduce indoor air pollution to a certain extent.
Second, the use of liquids in addition to formaldehyde products can be used to treat formaldehyde from sources of pollution. The most commonly used formaldehyde scavenger is photocatalyst, and the photocatalyst used for wooden doors and wooden furniture is preferably a "photocatalyst wood essential oil" which has a curing effect on the board. Since the wooden door is the most frequently used furniture in the home every day, the surface is easily scratched, and the photocatalytic wood essential oil can reduce the occurrence of scratches while removing formaldehyde.
Finally, solid formaldehyde removal products are easier to use. The most commonly used solid formaldehyde removal products on the market today are activated carbon and Maya blue. The most effective removal of formaldehyde in activated carbon is the "coconut activated carbon" made from coconut shell, followed by bamboo charcoal.
China's mandatory standards for wooden doors stipulate that the formaldehyde emission standard for indoor use of wood doors is E1, that is, it cannot exceed 1.5mg/L. If the formaldehyde emission of wooden doors exceeds this standard, it will easily cause indoor formaldehyde pollution exceeding the standard, endangering the body. health. Therefore, when purchasing wooden doors, pay attention to environmental protection issues.
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