ISO 22241-1:2019 – Diesel Engines – NOx Reduction Agent AUS 32
What is ISO 22241? ISO 22241-1:2019 is the first part of the ISO 22241 series, which specifies the quality requirements for the NOx reduction agent AUS 32 (commonly known by the trade name AdBlue® in Europe or DEF – Diesel Exhaust Fluid in North America). AUS 32 is an aqueous solution of 32.5% high-purity urea and 67.5% deionized water, used in Selective Catalytic Reduction (SCR) systems to reduce nitrogen oxide […]
