Misunderstanding 1 ：Using agricultural urea instead of industrial urea for AdBlue® AdBlue® has strict ratio requirements which are basically composed of high-purity urea and deionized water and the ratio is strictly controlled. One of the criteria for quality is the control of impurities. There are many impurities such as particulate matter, metal ions and minerals in agricultural urea and...
In general, some people will reduce the cost of purchasing AdBlue by shielding it . It is common to change the signal to deceive the driving computer by brushing the ECU or adding an emulator to the vehicle, so as to reduce the injection of AdBlue. Another cheaper way is to add a screw to the rear processor's sensor to enable the country's four vehicles to have less or no injection of AdBlue . It ...
In the international standard defining DEF (ISO 22241), it is referred to as AUS 32 (aqueous urea solution 32%). DEF is also sold as AdBlue, a registered trademark of the German Association of the Automotive Industry. Several existing standards for urea for major vehicles are as follows ; 1. International Organization for Standardization ISO 22241-1:2019 Diesel engines — NOx reduction agent AUS 32...
DIN 70070 is one of the quality standard of AdBlue which refer to Diesel engines - NOx-Reduction agent AUS 32 - Quality requirements from German-german Institute for Standardization (Called as DE-DIN). It is an odorless, colorless transparent solution synthesized from 32.5% industrial urea and 67.5% deionized water. Used in modern exhaust pollution control systems, referred to as SCR systems (sele...
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