[ Chinese wardrobe network ] E0, E1, E2 are all environmental standards for a formaldehyde release limit. The E0 and E1 grades require that the formaldehyde content of the board should not exceed 0.5 and 1.5 mg per liter. These two grades of E0E1 can be used directly indoors. The E2 level standard is that the formaldehyde content is not more than 5.0 mg/l, and it needs to be E1 grade after being treated to be used indoors.
Want to remove formaldehyde to open more windows
Because formaldehyde contains benzene, it is highly carcinogenic, especially for children and the elderly. Children are prone to growth and development, and DNA replication is active. Once a gene mutation occurs, it is easy to cause a chain mutation. The elderly, because of the decline in self-repair ability, are difficult to repair mutations, and thus the risk of cancer is also high. Jiang Hua said that formaldehyde is a high risk factor for leukemia. Some experts believe that low doses of formaldehyde can cause chronic respiratory diseases, female menstrual disorders, pregnancy syndrome, causing neonatal physical decline, chromosomal abnormalities, and even nasopharyngeal cancer. High concentrations of formaldehyde are toxic to the nervous system, immune system, and liver. How to effectively reduce indoor formaldehyde?
Method for removing formaldehyde: Photocatalyst
Photocatalyst is a general term for photocatalytic photo-semiconductor materials represented by nano-sized titanium dioxide. It is coated on the surface of the substrate and produces strong catalytic degradation under the action of light: it can effectively degrade the toxic and harmful air. Gas; can effectively kill a variety of bacteria, and can decompose and harmlessly release toxins released by bacteria or fungi; also has the functions of deodorization, anti-fouling, and air purification.
Method 2 for removing formaldehyde: activated carbon
Activated carbon has a certain adsorption effect on formaldehyde. Experts remind that the role of activated carbon is adsorption rather than absorption. This process is reversible and a portion of the formaldehyde is desorbed with the saturation of the adsorption.
Method for removing formaldehyde: plant
Although plants such as spider plant and aloe have certain ability to absorb formaldehyde, the amount of absorption is very limited. It takes a long time to effectively reduce the formaldehyde content in the room.
Method for removing formaldehyde: ventilation
The release of formaldehyde is a continuous and gradual process of slowing down. On the basis of selecting low formaldehyde content decorative materials, ensuring room ventilation is an effective way to reduce formaldehyde pollution. Experts from various fields have suggested that to remove formaldehyde, or open the window to ventilate!
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