How long should it be closed before formaldehyde testing?

12 hour

"Formaldehyde testing should be closed 12 hours. Formaldehyde is harmful to human health, so it is very important to detect formaldehyde. It is very important to choose a professional testing company to do formaldehyde testing.

Anhui guoce technology co., ltd is a leading authoritative testing organization. Located in Hefei, the company has large-scale comprehensive international advanced laboratories in materials, chemistry, environment and workplace testing, industry and consumer goods, environment and reliability, etc. It is an accredited laboratory of China Metrology Certification (CMA).

Extended data:

Detection standard

Indoor air quality standard (GB/T18883-2002 implemented in March 2003 -0 1)

This standard is formulated to protect human health and prevent indoor air pollution. This standard specifies indoor air quality parameters and inspection methods. This standard is applicable to residential buildings and office buildings, and other indoor environments can be implemented with reference to this standard.

Baidu encyclopedia-formaldehyde detection