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Enterprise Web Site Management System Vol XFormaldehyde on the body's harm, how much?

DATE:2016-5-7 8:47:23
Formaldehyde is the most common indoor air pollution toxicology, about more than 3000 different kinds of building products contain formaldehyde, the main source of fiberboard, plywood, insulation board, polystyrene and other decoration materials. At present, formaldehyde has been identified as carcinogenic and WHO by the, the indoor concentration of 0.5 mg/m^3 will cause the body to produce tears and eye abnormalities sensitive symptoms. Long term exposure to low doses of formaldehyde can cause chronic respiratory disease, caused by nasopharyngeal cancer, colon cancer, brain tumor, nuclear gene mutation
Formaldehyde has irritating effect on skin and mucous membrane, such as the throat and eyes, nose, etc., resulting in the position of edema, inflammation, ulceration and eventually lead to nasopharyngeal carcinoma (NPC) and other serious diseases. Exposure to formaldehyde in the skin may be allergic phenomenon, severe cases may even lead to hepatitis, pneumonia and kidney damage.
Infants and young children more serious harm, can lead to fetal growth and development during pregnancy, heart and brain development is not complete, can seriously lead to serious consequences such as fetal malformations and abortion.
Because formaldehyde resin is used in all kinds of building materials, including plywood, blankets, insulation materials, wooden products, flooring, tobacco, renovation and decoration materials and because of formaldehyde resin will slowly release formaldehyde, therefore formaldehyde has become one of the common indoor air pollution. Formaldehyde will generally from the source slowly released, new products within the first few months of the release of formaldehyde content highest after a period of time, the release amount of formaldehyde will decrease gradually.
Formaldehyde concentration in the air more than 0.1 mg/m3, will cause damage to the eyes and mucous membranes. In vivo, formaldehyde may result in irreversible protein binding to DNA. Animal experiments have shown that exposure to high doses of formaldehyde increases the risk of nose and throat cancer. However, the concentration of formaldehyde in most of the buildings is not enough to produce carcinogenic. The United States National Environmental Protection Agency will be classified as a possible carcinogen formaldehyde, international cancer research agency (IARC) will be classified as a human carcinogen.

Responsibility editor:Hao Sun

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