Don't rush to move in after the renovation of the new house, let it ventilate first. This smell is actually waiting for the decoration pollution to evaporate. The odor after decoration mainly comes from benzene series in decoration and new furniture paint, TVOC and formaldehyde in wood-based panel furniture.

According to the release characteristics of decoration pollution: the volatilization period of benzene series and TVOC in paint is not more than half a year, so the new house can be dried for about half a year, which can effectively avoid the harm of short-term decoration pollution. The formaldehyde release cycle of wood-based panels in decoration and furniture is 3 to 15 years, which is why the house will smell after living for several years.

Another characteristic of formaldehyde is that when the average indoor temperature is higher than 23 degrees, it begins to accelerate evaporation. Therefore, the decoration feels tasteless in winter and uncomfortable in summer.

At present, there are two national standards related to indoor formaldehyde pollution: 1, Code for Indoor Environmental Pollution Control of Civil Building Engineering (GB 50325-2010); 2. Indoor air quality standard (GB/T 18883-2002).

According to GB 50325-20 10, 1 hour should be closed before the test. 1 formaldehyde limit standards for civil buildings, hospitals, old buildings, kindergartens, school classrooms, etc. 0.08 mg/m3; Formaldehyde limit standards for office buildings, shops, hotels, cultural and entertainment places, bookstores, libraries, exhibition halls, gymnasiums, public transport waiting rooms, restaurants, barbershops and other places. It is 0. 1mg/m3.