AdBlue in 20 liter cans

20 litre container of AdBlue, especially designed for use in all heavy vehicles to provide an economical and full refill.

AdBlue from Greenox is suitable for use in all trucks and other diesel vehicles/machines fitted with Selective Catalytic Reduction (SCR) systems to reduce Nitrous Oxides (NOx) a harmful environmental pollutant

AdBlue is not a fuel additive and is only ever added to a specifically marked tank on the vehicle, if in doubt refer to the operating manual or speak to vehicle provider. Never add to any other tank on the vehicle or mix with any other vehicle fluids including water. Always wash away any drips or spillage from the vehicle immediately following refill.

Frequently asked questions (FAQ)

How does an SCR system work ?

  • It is an after treatment technology that treats exhaust gas downstream of the engine
  • Main purpose is to reduce level of NOx emitted from engines
  • Small quantities of D.E.F is injected into exhaust upstream of a catalyst, where it vaporizes and decomposes to form ammonia and carbon dioxide
  • The ammonia (NH3) is the desired product which in conjunction to the SCR catalyst, converts the NOx to harmless nitrogen (N2) and water (H2O)

What are the advantages of using SCR ?

SCR catalyst technology allows much greater NOx conversion efficiency,thereby allowing the engine to be fully optimized, which contributes to this fuel economy improvement.

Heavy duty engines utilizing SCR will provide substantial fuel economy improvement, estimated up 3 to 5%.

Another benefit to the improved fuel efficiency is less frequent DieselParticulate Filter (DPF) cleanout, thereby further reducing costs.

What is D.E.F ?

D.E.F is a registered trademark for AUS32 or Aqueous Urea Solution

D.E.F is a trademark owned by The German Association of the Automotive Industry (VDA)

The right to use the name D.E.F can only be acquired by a license

A non toxic, crystal clear & synthetically produced solution

Used in SCR system to reduce NOx emissions from exhaust of diesel vehicles

It is carried in an additional tank that is fitted by the vehicle manufacturer

ISO 22241 standard ensures its consistent quality. In 2006, Euro pean heavy-duty diesel market, implemented SCR technology to enable trucks to meet the Euro IV and V limits

An SCR system uses D.E.F to reduce NOx to water vapor and atmospheric nitrogen

SCR technology is more fuel efficient than EGR technology to the tune of 3-5%

What is VDA ?

Verband der Automobilindustrie (VDA) is a German interest group of the German Automobile industry. Both automobile manufactures and automobile component suppliers are members of the same

VDA QMC is certifying body which audits the plants of suppliers and certifies them to use the D.E.F Brand name

For using trademark, D.E.F Supplier should hold VDA license


How much is the D.E.F consumption rate ?

D.E.F consumption is expected to be approximately 4-6% of fuel consumption. It may vary depending on vehicle operation,duty cycle, geography, load ratings, etc.

How will I know if the D.E.F product purchased is genuine ?

D.E.F should be procured from licensed VDA manufacturer only.

The name D.E.F can only be used by a license holder. The license is given to suppliers who follow the specific procedures approved by VDA.

If product states its D.E.F and has the ISO 22241 then it is a verified product.

Can I make D.E.F myself ?

D.E.F manufacturing has strict requirements and the purity of ingredients is critical to the proper functioning and longevity of the SCR system.

A wrong solution could damage the SCR system and cause issues in functioning of it. Hence it is advised to buy D.E.F from a certified manufacturer.

For more information about the quality standards, refer to ISO22241 which details specifications for D.E.F quality, handling, testing, transportation storage, and refilling.

What is the shelf life of D.E.F ?

Recommended storage temperature for D.E.F is between -11 deg C to 30 deg C

At constant temperature up to 30deg C, the product will last 12 months minimum

At constant temperature up to 35 deg C, the product will last 6 months minimum

Locations with higher ambient temperature, D.E.F tanks should be insulated or stored under shade with proper ventilation

What happens when a vehicle runs out of D.E.F ?

Vehicles that use D.E.F have indicators on the dashboard that alert the driver of the quantity of D.E.F on board. A gauge similar to a fuel gauge will indicate the level of D.E.F.

If the vehicle is operated such that one would run completely out of D.E.F, vehicle power will be reduced making it compulsory for the driver to refill the D.E.F tank.

Make sure to carry some emergency supply along with the vehicle to reach the next D.E.F refilling point.

Once the tank has been refilled the engine will resume normal power levels.

Are there any special storage requirements for D.E.F ?

Dry, well-ventilated and properly covered area.

Avoid direct sunlight

Optimum storage temperature is 25 deg C (77 deg F), with temporary exposure to higher temperatures has little to no impact

Being a corrosive liquid should only be stored in approved materials like high-density polyethylene (HDPE) or stainless steel

Don't put D.E.F in packaging of plastics with additives or non-ferrous metals & their alloys and carbon steel.

What equipment should be used to handle D.E.F ?

D.E.F is corrosive in nature hence for storing do not use corrosive materials like copper, nickel, zinc, mild iron or aluminum.

Do not use old diesel or oil containers or equipment to transfer D.E.F into the tank. Dedicated equipment should be used to handle D.E.F as even a small contamination of fuel/oil/lubricant can damage the SCR system of the vehicle.

By mistake if D.E.F is filled into the diesel tank or diesel is filled in the D.E.F tank, it is advised not to start or move the vehicle. The tank will need to be first drained in such a situation.

What happens if foreign particles accidentally enter the D.E.F tank ?

The SCR system will recognize solutions other than D.E.F, and the D.E.F indicator light will appear notifying the driver

Depending on the level of contamination in the tank, the vehicle may require servicing

D.E.F DOs & DON'Ts


  • DON'T use D.E.F as a diesel additive
  • DON'T add D.E.F in any fuel tank
  • DON'T operate without D.E.F
  • DON'T use fuel or lubricants handling equipment for D.E.F
  • DON'T refill used D.E.F containers
  • DON'T store D.E.F in direct sunlight
  • DON'T put D.E.F in packaging made of plastic with additives or nonferrous metals & their alloys and carbon steel


  • D.E.F product must conform to ISO 22241
  • Only buy D.E.F Licensed and registered by VDA
  • Only use dedicated equipment for storage and dispensing
  • Protect D.E.F against any contamination of Fuel, Oil, Water, Dust, Dirt, Metals, Detergent etc.
  • Should be stored away from direct sunlight
  • Should be stored in the manufactures original container
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