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What is formaldehyde
Update Time : 2019.04.03 View : 991

Formaldehyde, also known as formalin, can release volatile organic compounds (VOCs), usually a flammable, colorless and irritating gas. Formaldehyde is the most common indoor air pollution poison, which can irritate skin and mucosa, such as throat, eyes and nasal cavity, causing edema, inflammation, ulceration, and eventually nasopharynx. Severe lesions such as cancer.


Skin exposed to formaldehyde may be allergic. Serious cases may even lead to hepatitis, pneumonia and kidney damage, immune dysfunction, etc. Long-term exposure to low-dose formaldehyde can cause chronic respiratory diseases, nasopharyngeal cancer, colon cancer, brain cancer, menstrual disorders, nuclear gene mutations.


The harm to pregnant women of infants and young children is more serious, which can lead to fetal growth cessation during pregnancy, heart and brain dysplasia, serious fetal malformation and abortion and other serious consequences.




Formaldehyde pollution is mainly concentrated in the living room, textiles and food. There are a lot of formaldehyde-based urea formaldehyde in wood-based panels such as plywood, fiberboard, particleboard and so on.




Resin, all kinds of paints and coatings contain formaldehyde.




Formaldehyde has a stimulating odor, which can be smelled at low concentration. The olfactory threshold for formaldehyde is usually 0.06-0.07 mg/m3. However, there are great individual differences, some people can reach 2.66 mg/m3. Long-term and low concentration




Exposure to formaldehyde can cause headache, dizziness, fatigue, sensory impairment, immunity reduction, sleepiness, memory loss or neurasthenia, mental depression; the harm of chronic poisoning to the respiratory system




It is also huge. Long-term exposure to formaldehyde can lead to respiratory dysfunction and liver toxic lesions, such as liver cell damage, abnormal liver radiation energy and so on.

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