How is formaldehyde released in decoration, how to remove it in in addition to formaldehyde and Zhengzhou?

In addition to formaldehyde can find a professional management company to deal with it, or you can buy photocatalyst products online and spray them yourself.

There are three general governance methods:

1, photocatalyst treatment method, safe and effective, no secondary pollution, recommended.

2. Formaldehyde blocking agent is effective in a short time, and it is easy to produce secondary pollution.

3. in addition to formaldehyde air purifier

4. Air negative ion technology

5, chemical neutralization technology

We often see "free formaldehyde" in decoration materials, as well as "free formaldehyde content" and "free formaldehyde release". So, what is free formaldehyde? Generally speaking, interior decoration materials such as wood-based panels, furniture, paints and adhesives need a lot of urea-formaldehyde resin with formaldehyde as the carrier in the production process. In the high-temperature production line of urea-formaldehyde resin glue, most formaldehyde is generated by glue, which is no longer formaldehyde, and this reacted formaldehyde has no harm to human body. At the same time, a small part of formaldehyde did not participate in the reaction during the production process. Formaldehyde is easy to polymerize into paraformaldehyde, which is easy to depolymerize when heated, and can be slowly released into the air at room temperature to become free formaldehyde, which causes indoor environmental pollution and harms human health.

Free formaldehyde content refers to the amount of free formaldehyde contained in the material per unit mass in the process of detecting formaldehyde content of wood-based panels under the detection condition of perforated extraction method according to the national standard method, which is generally calculated in mg/L/L.

Similarly, "free formaldehyde emission" refers to the amount of free formaldehyde released by the tested wood-based panel materials under the test conditions of environmental test box method or dryer method, which is generally calculated as mg/m per cubic meter. .

Free formaldehyde emission is a recognized index to measure the formaldehyde emission of plate products at home and abroad. Developed countries such as Europe and the United States have clear regulations on the release index of free formaldehyde. In China's current national standards, the release of free formaldehyde is also regarded as an important indicator to judge the limit of harmful substances in indoor decoration materials.

Effects of different concentrations of formaldehyde in indoor environment on human health

Scientific research has proved that formaldehyde has a negative impact on human health. The hazards of different concentrations of formaldehyde in indoor environment are also different, and the hazards increase with the increase of formaldehyde concentration in the air. The olfactory threshold of formaldehyde (the concentration that most people can perceive with olfactory organs) is 0.06~ 1.2mg/m? The threshold of eye irritation (the concentration that most people can feel through their eyes) is 0. 1 ~ 0.5 mg/m? .

When the formaldehyde concentration per cubic meter reaches 0.06-~0.07mg, children will have mild asthma.

When the concentration of formaldehyde in the air per cubic meter reaches 0. 1mg, it will have peculiar smell and make people uncomfortable.

When the formaldehyde concentration per cubic meter of air reaches 0.5mg, it can irritate eyes and cause tears.

When the concentration of formaldehyde in the air reaches 0.6 mg per cubic meter, it can cause throat discomfort or pain.

When the concentration of formaldehyde per cubic meter of air is high, it can cause nausea and vomiting, cough, chest tightness, asthma and even pulmonary edema.

The concentration of formaldehyde in the air per cubic meter reaches 30mg/m? When, will immediately lead to death.