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What is AdBlue®?
AdBlue® is also known as AU32 or Aqueous Urea Solution 32.5% it is a highly purified colourless liquid used with Selective Catalytic Reductions (SCR) systems in vehicles to lower the output of oxides of nitrogen (CO2) expelled from exhausts.
Why do I need AdBlue®?
Simply put, the Euro 1-6 emission legislation was introduced to reduce emissions from diesel engines and create a cleaner environment for future generations. The legislation can apply to cars, motorcycles, heavy duty vehicles (buses and trucks) and other vehicle types such as farm machinery, boats, excavators and tractors. In addition to the greener technological advancements of diesel engines in recent years, stricter controls were put into place regarding vehicle exhaust emissions and to comply with these requirements all major European and North American manufacturers have been required to introduced Selective Catalytic Reductions (SCR) systems into new vehicles that are affected by the EU6 directive.
How much AdBlue® do I need?
The amount of consumption of AdBlue® can vary depending on a number of factors, but to get an idea of how much AdBlue® you will need the average amount of AdBlue® used is around 5% of the diesel consumed by the engine. One common misconception about AdBlue® is that it’s a fuel additive – it isn’t. AdBlue® should never be mixed directly with fuel and all vehicles fitted with a Selective Catalytic Reductions system will have a dedicated AdBlue® container that is filled separately from the fuel tank. Mixing AdBlue® with your fuel will cause serious damage to your vehicle.
Why do I need AdBlue®?
The main active component of AdBlue® is ammonia. This is chemically formed by hydrolising automotive urea, which is the main raw material for AdBlue®. Urea is also used in the production of fertiilisers and has many other applications.AdBlue® is used with diesel engines using SCR technology, This technology (Selective Catalytic reduction) reduces harmful emissions (NOx). AdBlue® is injected into the catalyst of the SCR system, where it triggers a chemical reaction with the ammonia. This chemical reaction coverts the toxic nitrogen oxides (NOx) into nitrogen (N2) and water vapor (H20). Water vapor and nitrogen are naturally occurring gasses that are harmless to the environement. If you use a modern diesel powered machine fitted with an SCR catalyst, you will need AdBlue®.
Properties of AdBlue®
Appearance: Colourless and clear liquid / Chemical Composition NH2)2CO + H20
ISO: ISO22241: NOx reduction agent AUS 32
Freezes at: -11 / Evaporates at 40C
Corrosive: Yes / Crystalisation: Yes
Expiration Date: Best before 18months after production in a correctly sealed stored container (after 18 months quality testing is advised)