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What is AdBlue ?

AdBlue - It is a registered the trademark for AUS 32 the German Association of the Automotive Industry (VDA) is the owner of this trademark. AUS 32 (aqueous urea solution) in ISO 22241. Which is an Diesel Exhaust Fluid (DEF) - an aqueous urea solution made with 32.5% urea and 67.5% deionized water.