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AdBlue: a 32% urea solution for vehicles

To ensure conformity with environmental standards concerning the content of harmful substances in exhaust emissions (Euro-4, Euro-5, Euro-6), virtually all manufacturers of trucks and heavy machinery have opted for the selective catalytic reduction technology (SCR).

The SCR technology is based on the injection of the exhaust gas flow, which results in a chemical reaction reducing harmful nitrogen oxides (NOx) into harmless substances, water and nitrogen.

The AdBlue® name is a registered trade mark of the AUS-32 aqueous urea solution held by the German Association of the Automotive Industry (Verband der Automobilindustrie or VDA). The AdBlue name can only be used if the product complies with the requirements of the ISO 22241 and provided there is a licence agreement with the VDA.

AdBlue packaging

Premium Kaubandus OÜ supplies AdBlue solution in 10 and 20 litre plastic jerrycans, 210 litre vats and 1000 litre IBC containers that can be delivered to any location the customer finds convenient. Moreover, we can assemble 500 litre, 10,000 litre and 15,000 litre fixed filling columns. AdBlue is already sold at petrol filling stations, so purchasing this product is as easy as buying fuel.

AdBlue quality

The number of non-specialised companies that attempt to produce urea solution themselves is growing in Estonia. Such solutions do not comply with quality requirements at all. In case such low-quality products are used, lime builds up on the catalyst element of the vehicle, and, as the result, the cost of repairs may reach several thousand euros. The consequences of using substandard urea solution for the catalyst element will be the same as they would be, if plain water or highly diluted AdBlue solution was used instead of AdBlue. If you drive with an empty AdBlue tank, the catalyst element will inevitably get clogged with soot.

Fuel economy with AdBlue

The average AdBlue consumption amounts to 1.5 litre per one hundred kilometres. That constitutes 6% of fuel consumption volume for vehicles complying with the Euro-5 standard and around 7-8% of fuel consumption volume for vehicles complying with the Euro-6 standard. There are several factors that influence AdBlue consumption, including the quality of fuel and the engine operating mode (engine load).

At the moment all motor trucks to be newly registered are equipped with on-board diagnostics systems (OBD) that allow exhaust gas toxicity parameters to be monitored. These systems will warn the driver that the fuel tank has run out of AdBlue. If the driver keeps going without AdBlue, the diagnostics system will activate the engine torque limiting device that allows the engine to reach only 60% of its maximum torque and records the data about vehicle movement without AdBlue.

When AdBlue is used, engine operation is optimised, the emission of particles is reduced, and fuel energy is maximised. Another important result of the process is the average reduction of fuel consumption by 5%. Moreover, another opportunity to cut down expenses will arise because lower road taxes apply to trucks that use AdBlue on the roads of the EU.

AdBlue safety

The AdBlue fluid is harmless for people and animals. It is non-toxic, non-combustible and non-explosive. The fluid crystallises at the temperature of –11 °C, but it does not affect its further use: when the vehicle starts moving, the fluid will melt without any adverse effect on its quality. Upon contact with skin, the fluid must immediately be rinsed off with a large amount of water. If you ingest the fluid, drink a large amount of water and see a doctor.

Documents related to AdBlue

AdBlue quality pass
AdBlue specifications