Using the same as AdBlue® quality manufacturing standard, CrossChem specializing in the production of AUS-40 (40% of urea solution) which must be used in Emission Control Areas aiming to minimize airborne emissions from ships.
It is 40% urea solution used to reduce of NOx emissions from the combustion chamber of vessel diesel engines.
Both products give the same effect, only AUS-40 has higher urea concentration because of the bigger size of vessel engine.
As of 2011 there were four existing ECAs: the Baltic Sea, the North Sea, the North America (includs most of US and Canadian coast), and the Caribbean ECA. Also other areas may be added via protocol defined in Annex VI.
