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ISO 22241 governs AdBlue® (AUS 32), a standardized 32.5% high-purity urea and 67.5% deionized water solution used in Selective Catalytic Reduction (SCR) systems to reduce NOx emissions in diesel vehicles. It ensures product quality, handling, and consistency, meeting strict specifications to prevent SCR system failure.
Key Aspects of ISO 22241 and AUS 32
- Composition: 32.5% urea, 67.5% deionized water, which allows the lowest freezing point (-11°C).
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Web results
AdBlue® Specifications: ISO 22241
Crown Oil
https://www.crownoil.co.uk › fuel-specifications › adblu...
Crown Oil
https://www.crownoil.co.uk › fuel-specifications › adblu...
Aqueous urea solution 32.5%, more simply AUS 32 DEF, or AdBlue®, is manufactured to meet ISO 22241 standards to enable use in modern diesel engines. AdBlue® is ...Read more
People also ask
What is AUS 32 in AdBlue?
AUS32: A 32.5% high-purity urea solution. Function: Acts as a reducing agent for diesel engine vehicles.
AUS 32 - Atmosfer Machinery
Atmosfer Makina
https://atmosfermakina.com › adblue
Atmosfer Makina
https://atmosfermakina.com › adblue
What is AdBlue ISO 22241?
AUS 32 DEF (Aqueous Urea Solution 32 Diesel Engine Fluid), generally known as AdBlue®, is subjected to strict ISO 22241 specifications to ensure it is compliant to be used in the modern diesel engines.
ISO 22241 AdBlue® Specifications - 123 Oil
123 Oil
https://123oil.co.uk › fuel-specifications › adblue-iso-22...
123 Oil
https://123oil.co.uk › fuel-specifications › adblue-iso-22...
What is 32.5% urea?
Liquid solution composed of high purity urea and deionized water. It is mostly used in flue gas purification technologies, allowing important reductions of nitrogen oxides (NOx) emissions.
Urea solution 32.5% - Azomureș
Azomureș
https://www.azomures.com › urea-325
Azomureș
https://www.azomures.com › urea-325
Is there a difference between AdBlue 22241 and 22241 1?
ISO 22241 is the international standard for Adblue. ISO 22241-1 is the specific part of the standard that specifies the quality characteristics. Basically they are referring to the same ISO standard so are both fine. It's just that one is being a bit more specific about the part of the standard.Jun 23, 2025
Confused about types of AdBlue : r/drivingUK - Reddit
Reddit
https://www.reddit.com › drivingUK › comments › conf...
Reddit
https://www.reddit.com › drivingUK › comments › conf...
Web results
ISO 22241 standard AdBlue Diesel exhaust fluid Urea ...
Guangzhou EverBlue Technology Co.,Ltd.
http://www.everbluesolution.com › Other products
Guangzhou EverBlue Technology Co.,Ltd.
http://www.everbluesolution.com › Other products
ISO 22241 standard AdBlue Diesel exhaust fluid Urea solution 32.5%. Provided AdBlue with more than 13 kinds of packages from 1.89L to 23000L for you to choose.Read more
Popular products
- Nearby, 8 miBlueDEF Diesel Exhaust FluidHome Depot & more
Nearby, 8 miBlueDEF Diesel Exhaust FluidHome Depot & more - Harnstofflösung 32 5% gem. ISO22241 AdBlue 5 leBay & moreHarnstofflösung 32 5% gem. ISO22241 AdBlue 5 leBay & more
- LOW PRICENearby, 29 miSouth Win Diesel Exhaust Fluid TERR00250Tractor Supply Company & moreLOW PRICENearby, 29 miSouth Win Diesel Exhaust Fluid TERR00250Tractor Supply Company & more
- Nearby, 13 miNAPA Diesel Exhaust Fluid (DEF) - 2.5 galNAPA Auto PartsNearby, 13 miNAPA Diesel Exhaust Fluid (DEF) - 2.5 galNAPA Auto Parts
- Nearby, 21 miPrimeGuard Diesel Exhaust FluidAce Hardware & moreNearby, 21 miPrimeGuard Diesel Exhaust FluidAce Hardware & more
- Diesel Exhaust Fluid 32.5% 55 Gallon DrumIndustry SupplyDiesel Exhaust Fluid 32.5% 55 Gallon DrumIndustry Supply
- AdBlue 10L Genuine Mercedes-Benz Urea Diesel Fluid RefilleBayAdBlue 10L Genuine Mercedes-Benz Urea Diesel Fluid RefilleBay
- Nearby, 14 miPeak Diesel Exhaust Fluid Platinum Drum 55 GalGrainger Industrial Supply & moreNearby, 14 miPeak Diesel Exhaust Fluid Platinum Drum 55 GalGrainger Industrial Supply & more
Web results
Diesel Exhaust Fluid (DEF)
American Petroleum Institute | API
https://www.api.org › products-and-services › diesel-ex...
American Petroleum Institute | API
https://www.api.org › products-and-services › diesel-ex...
Diesel exhaust fluid (also referred to as DEF or AUS 32) is injected into the diesel exhaust stream and the heat from the exhaust, the fluid, and a catalyst ...Read more
6 things to know about AdBlue®, DEF, AUS32, ARLA32
Palamatic Process
https://www.palamaticprocess.com › en-us › blog › six-...
Palamatic Process
https://www.palamaticprocess.com › en-us › blog › six-...
AdBlue is composed of 32.5% urea and 67.5% demineralized water. ... AdBlue must be manufactured according to ISO 22241. The AdBlue brand itself ...Read more
More products
- Factory directly supply or OEM AdBlue 32.5%Urea solution for vehicle dieselGuangzhou EverBlue Technology Co.,LtdFactory directly supply or OEM AdBlue 32.5%Urea solution for vehicle dieselGuangzhou EverBlue Technology Co.,Ltd
- Mannol AdBlue Diesel Exhaust FluideBay & moreMannol AdBlue Diesel Exhaust FluideBay & more
- Nearby, 9 miBlue Sky Diesel Exhaust FluidHome DepotNearby, 9 miBlue Sky Diesel Exhaust FluidHome Depot
- Mannol Adblue? UreaeBay & moreMannol Adblue? UreaeBay & more
- LOW PRICENearby, 14 miPEAK Diesel Exhaust FluidGrainger Industrial Supply & moreLOW PRICENearby, 14 miPEAK Diesel Exhaust FluidGrainger Industrial Supply & more
- Nearby, 5 miShopPRO Diesel Exhaust Fluid ( DEF)AutoZoneNearby, 5 miShopPRO Diesel Exhaust Fluid ( DEF)AutoZone
- 15 Litre AdBlue Diesel Additive Made in Germany Urea Solution 32.5% SCR 3x5LeBay15 Litre AdBlue Diesel Additive Made in Germany Urea Solution 32.5% SCR 3x5LeBay
- Nearby, 29 miTraveller 2.5 gal. Premium DEF Diesel Exhaust FluidTractor Supply CompanyNearby, 29 miTraveller 2.5 gal. Premium DEF Diesel Exhaust FluidTractor Supply Company
Web results
Determination of Trace Elements in Aqueous Urea Solution ...
Agilent Technologies
https://www.agilent.com › library › applications
Agilent Technologies
https://www.agilent.com › library › applications
PDF
Apr 14, 2020 — In this study, an Agilent 5800 radial view (RV) ICP-OES was used to analyze AUS 32 diesel exhaust fluids according to the. ISO-22241 standard ...Read more
5 pages
Why ISO 22241 Compliance Matters for AdBlue Production ...
Atmosfer Makina
https://atmosfermakina.com › why-iso-22241-complian...
Atmosfer Makina
https://atmosfermakina.com › why-iso-22241-complian...
What is ISO 22241? ISO 22241 is a multi-part international standard developed to ensure the quality and handling of AdBlue (or AUS 32 – Aqueous Urea Solution).Read more
In stores nearby
Nearby, 5 mi
BlueDEF Diesel Exhaust Fluid
Lowe's & more
Nearby, 14 mi
Peak Diesel Exhaust Fluid Platinum Drum 55 Gal
Grainger Industrial Supply & more
Nearby, 21 mi
PrimeGuard Diesel Exhaust Fluid
Ace Hardware & more
Nearby, 13 mi
Blue DEF Diesel Exhaust Fluid
NAPA Auto Parts & more
Nearby, 14 mi
PEAK Diesel Exhaust Fluid
Grainger Industrial Supply & more
Web results
Multi-Element Analysis of AdBlue® (Urea AUS 32) Following ...
SPECTRO Analytical Instruments
https://extranet.spectro.com › media
SPECTRO Analytical Instruments
https://extranet.spectro.com › media
PDF
AdBlue® is a 32.5% solution of urea in deionized water [1]. The quality of AdBlue® is very important for its use, therefore regulated in the ISO standards 22241 ...Read more
Def Diesel Exhaust Fluid/ AUS32 Automotive Urea Solution ...
Shandong New Blue Environmental Protection Technology Co.,Ltd
https://www.newbluechina.com › adblue-def-aus32-arla32
Shandong New Blue Environmental Protection Technology Co.,Ltd
https://www.newbluechina.com › adblue-def-aus32-arla32
Also known as Automotive Urea Solution. It is a urea aqueous solution with a concentration of 32.5% and a solvent of ultrapure water.Read more
AUS-32 / AdBlue / DEF Policy Mechanism & Implications
ecmaindia.in
https://www.ecmaindia.in › assets › images
ecmaindia.in
https://www.ecmaindia.in › assets › images
PDF
AUS-32 / AdBlue ... per ISO 22241. Required by SCR equipped vehicles for NOX reduction. ▫ Decomposes at high T to ammonia. ▫ Freezes at -11.5C but as 32.5% is a.Read more
PREMIUM QUALITY AdBlue® For use in all SCR emission ...
Cummins
https://www.cummins.com › AdBlue_NZ_A4_Flyer
Cummins
https://www.cummins.com › AdBlue_NZ_A4_Flyer
PDF
Cummins AdBlue® meets high purity requirements, as defined by the International. Organisation for Standardisation ISO 22241-1, as well as the performance.Read more
2 pages