GreenChem produces AdBlue and urea strictly according to ISO and DIN standards. These standards specify the exact composition of AdBlue and urea and instructions on storage and test methods. Following these standards ensures a high quality product that is safe for consumers and vehicles.
All ISO standards can be purchased at ISO.org.
Complete DIN standards can be purchased at DIN.de.
ISO is an international organization that creates standards to ensure consumer safety and guarantee interchangeability, quality and reliability.
DIN was founded to help the standardization of products throughout Europe. This German institute stresses the economic advantages of standards. The main objective of DIN is to help businesses and society strengthen, develop and open up regional and global markets.