AdBlue is a non-toxic, colourless liquid that is made of water and urea. This liquid is injected into the exhaust gases of cars that use SCR technology to meet Euro 6 emissions target. It helps convert Nitrous Oxides, harmful chemicals that contribute to greenhouse gases, into water and carbon dioxide in Euro 5 and 6 heavy-duty engines that incorporate Selective Catalyst Reduction (SCR) technology to reduce emissions.
Recently, AdBlue can now supply their product in various size containers which is helpful for the different types of vehicles that choose to use it. For example: the driver or company owning a HGV would be likely to choose the biggest size of AdBlue. Whereas a car would be likely to purchase the smallest size of AdBlue for their car.
Does my car use AdBlue?
If your car has a diesel engine, then the answer to this is a maybe. Moreover, the newer your car is, the more likely it will use AdBlue. Many people first come to realise that their car uses AdBlue when a warning signal appears on their dashboard telling them they’re running low on the additive.
To double check whether your car does use SCR technology and AdBlue take a look in the handbook and then check to see if there’s an AdBlue filter cap where the manual indicates it should be. On some cars this is beside the fuel cap, and on others the filler is hidden under the carpet in the boot.
How is AdBlue stored?
AdBlue is not flammable or explosive. It has a minimum shelf life of 12 months under normal conditions. It is important to note however that the ammonia in the urea solution is corrosive to some metals (for example: alloys, aluminium and steel). So storage containers should also be made of non-corrosive materials. There are also no health risks when handling AdBlue, although it can irritate skin. If this happens, simply rinse with water.
An important factor when storing AdBlue is not to leave a half empty container lying around. The reason why is because airborne contaminants can affect the chemical compositions of AdBlue. So if you have any left over, it is better not to use it.