2. 6. 2. Limit for free formaldehyde

description relevant product categories 


Formaldehyde or formaldehyde releasers, which slowly liberate formaldehyde, are used as preservatives in emulsion-based paints and adhesives. Formaldehyde is a strong allergen and has been classified as carcinogenic by the WHO.

minimum requirement

The maximum content of free formaldehyde in coatings and plastering paste is 10 ppm (0.001% by weight). Formaldehyde releasers may only be added in quantities that do not result in an overall free formaldehyde content over 10 ppm.

N-formals (e.g. hexahydrotriazine) and O-formals (e.g. (benzyloxy)methanol) are admissible provided that the product's maximum content of free formaldehyde is 0.01% by weight (100 ppm).

Supporting documents:
Safety data sheet in accordance with Regulation (EC) No 1907/2006 as amended by Regulation (EU) No 453/2010, or manufacturer's confirmation.

In the case of powder plastering and spackle, this criterion is regarded as met.


All products bearing one of the following organic labels meet these criteria:

Alternatively, the corresponding baubook declaration may serve as evidence (www.baubook.info/oea).

background, sources

baubook green procurement
Harmonised “EcoBuildingCriteria” provided by “ÖkoKauf Wien” and “service package sustainable construction in Vorarlberg”