From the point of view of formaldehyde pollution, it is relatively simple to identify. Formaldehyde is an odorous chemical. The most important feature is irritancy, including irritation to the respiratory tract and eyes. We can roughly measure the degree of pollution from different degrees of perception. It is a slight irritating smell of the nostrils, so it means that the pollution is not too big, and it can be properly ventilated. If you smell irritating and the eyes have low discomfort, it means the pollution is moderate. If the eyes are very irritating indoors, even The degree of tears blew, which indicates that the indoor pollution is quite serious.
In terms of benzene pollution, because benzene has the advantages of being volatile and viscous, indoor decoration uses benzene, toluene and xylene as solvents for various paints, coatings and waterproof materials. But benzene compounds are also carcinogens recognized by the World Health Organization. Within six months of coating the wall, benzene will continue to volatilize. Benzene smells a clear fragrance, but don't be confused by it. After inhaling excessive amounts of benzene series, people are dizzy, nausea, fatigue, dry skin, and consciousness. Blurring, heavy people will be coma, even liver and kidney failure, causing blood diseases.
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