AdBlue is an aqueous urea / urea solution (NH2) 2CO + H2O produced according to ISO and DIN standards. the use of which reduces the emission of hazardous emissions in Euro 4 and Euro 6 compliant diesel heavy duty vehicles. improving air quality in this regard. AdBlued is used in new trucks equipped with SCR (Selective Catalytic Reduction) technology. buses and other heavy equipment. Store indoors below + 25 ° C. The product freezes at -11 ° C. Standards: ISO 22241