The hazards of low-concentration formaldehyde:
Frequent inhalation of a small amount of formaldehyde can cause chronic poisoning, mucosal congestion, skin irritation, allergic dermatitis, nail keratosis and fragility, and fingertip pain in the nail bed;
long-term inhalation of pregnant women may cause newborn babies to be deformed or even Death;
long-term inhalation of men can lead to male sperm deformity, death, and decreased sexual function.
In severe cases, it can lead to leukemia, pneumothorax, and loss of reproductive ability; systemic symptoms include headache, fatigue, poor appetite, palpitations, insomnia, weight loss, and autonomic disorders Wait.

Hazards of high-concentration formaldehyde:
After inhaling high-concentration formaldehyde, severe irritation and edema of the respiratory tract, eye irritation, headache, and bronchial asthma may also occur.

Different concentrations of formaldehyde have different hazards

According to the national compulsory standard for formaldehyde, after closing doors and windows for one hour, the amount of formaldehyde emitted per cubic meter of indoor air shall not exceed 0.08 mg.

1. When the concentration of formaldehyde reaches 0.08-0.09mg/m³, children will have mild asthma;

2. When the formaldehyde in the indoor air reaches 0.2mg/m³, there will be peculiar smell and discomfort;

3. When the concentration of formaldehyde reaches 0.5mg/m³, it can irritate the eyes and cause tearing;

4. Formaldehyde reaches 0.6mg/m³, causing throat discomfort or pain; when the concentration is higher, it can cause nausea, vomiting, coughing, chest tightness, wheezing and even pulmonary edema;

5. When the concentration of formaldehyde reaches 30mg/m³, it will cause death immediately.