Everyone has a different understanding of the family. How can one decorate the perfect home with limited funds? In home renovation, many owners are concerned about the degree of decoration. Therefore, before the renovation, we must plan well. Only good planning can reduce the cost. Here, Xiaobian specifically for you to synthesize this winter's warmest home improvement information, let you dress up the most beautiful home!

Formaldehyde used in artificial boards such as plywood, blockboard, medium density fiberboard, and particleboard used for interior decoration. Because formaldehyde has strong adhesion, it also has the function of strengthening the hardness of the plate and preventing pests and corrosion. Therefore, it is used to synthesize various adhesives such as urea-formaldehyde resin, melamine formaldehyde, amino formaldehyde resin, phenolic resin. . Other various decorative building materials that contain formaldehyde and may be distributed to the outside world are like prefabricated panels made of urea-formaldehyde foam resin, wall coverings, wallpapers, synthetic carpets, foams, paints and coatings. The urea-formaldehyde resin that is used as the main component of the adhesives used for the production of wood-based panels, and the residual and un-reacted formaldehyde in the panels will gradually release to the nearby environment, and is the main body of formaldehyde in indoor air. Decoration materials and new combination furniture are the main sources of formaldehyde pollution.

What is formaldehyde?

Formaldehyde (HCHO) is a colorless and easily soluble irritant gas. Formaldehyde can be absorbed through the respiratory tract and its aqueous solution, "formalin," can be absorbed through the digestive tract.

The danger of long-term exposure to low-dose formaldehyde:

Formaldehyde has a strong carcinogenic and cancer-promoting effect. A large number of documents indicate that the effects of formaldehyde on human health are mainly manifested in abnormal olfactory sense, irritation, allergy, abnormal lung function, abnormal liver function, and abnormal immune function. Its concentration is 0.06-0.07mg/m3 per cubic meter of air and children will experience slight asthma. When the indoor air formaldehyde content of 0.1mg/m3, there is odor and discomfort; to 0.5mg/m3, can stimulate the eyes, causing tearing; reach 0.6mg/m3, can cause throat discomfort or pain. Higher concentrations can cause nausea and vomiting, coughing, chest tightness, wheezing, and even pulmonary edema; when it reaches 30 mg/m3, it can cause immediate death.

Long-term exposure to low-dose formaldehyde is more harmful, can cause chronic respiratory diseases, cause nasopharyngeal cancer, colon cancer, brain cancer, menstrual disorders, gene mutations in the nucleus, single-strand DNA cross-linking and cross-linking of DNA and proteins, and DNA damage by DNA. The repair, pregnancy syndrome, neonatal chromosomal abnormalities, and leukemia cause memory and mental decline in adolescents. Of all the contacts, children and pregnant women and white peony are particularly sensitive to formaldehyde and the harm is even greater. The International Cancer Institute has recommended that it be treated as a suspicious carcinogen.

Benzene is a carcinogen, mild poisoning can cause drowsiness, headache, dizziness, nausea, chest tight sensation, etc., and may have mild symptoms of mucosal irritation, severe poisoning can be paralyzed, shallow and fast breathing, irregular heartbeat , convulsions and coma.

The source of benzene in indoor air:

Benzene in homes and office buildings comes mainly from the use of a large number of chemical raw materials in architectural decoration, such as paints, fillers, and various solvents, all containing a large number of organic compounds, which are sent to the interior after renovation.

Mainly in the following kinds of decorative materials:

Paints: Benzene compounds mainly evaporate from the paint; Tianna water, thinners: Additives in paint coatings are abundant;

Various types of adhesives: Some home-purchased sofas release a large amount of benzene, mainly due to the use of high benzene-containing adhesives;

Waterproof material: The original powder plus thinner was formulated into a waterproof coating. After 15 hours of operation, the content of benzene in the indoor air exceeded the 14.7 times that of the highest concentration allowed by the country.

Links: Newly-furnished house formaldehyde smell too heavy to eliminate

Entrance decoration restaurant decoration formaldehyde interior decoration paint decoration paint function sofa bed sofa sofa sofa sofa home decoration home decoration home

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