The newly opened shopping mall has a large space. Does formaldehyde dissipate quickly?

The newly opened shopping mall has a large space, and the diffusion speed of formaldehyde is relatively fast. The space of shopping malls is usually closed, so the diffusion speed of formaldehyde may be limited. In order to effectively remove formaldehyde, it is suggested that shopping malls use good quality materials in decoration and carry out professional in addition to formaldehyde work. Before the mall officially opens, it is necessary to ensure good air circulation, test indoor air quality and ensure the health and safety of customers and employees.