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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    AdBlue® (AUS 32) is a high-purity, 32.5% aqueous urea solution used in diesel vehicles with Selective Catalytic Reduction (SCR) technology to reduce harmful nitrogen oxide (NOx) emissions. It is non-toxic, colorless, and stored in a separate tank, often with a blue cap, and consumed at roughly 5% of diesel usage. 
    Key Details About AdBlue (AUS 32): 
    • Composition: 32.5% automotive-grade urea and 67.5% demineralized water.
    • Function: It is injected into the exhaust system, decomposing NOx into harmless nitrogen and water.
    • Alternative Names: Known as DEF (Diesel Exhaust Fluid) in the Americas, ARLA32 in Brazil, and simply AUS 32 (Aqueous Urea Solution 32.5%).
    • Quality Standard: Complies with ISO 22241 standards.
    • Usage: Used in diesel cars, trucks, tractors, and machinery with SCR systems.
    • Storage & Handling: Safe to handle, but freezes at approximately -11°C (12°F). 
    It is important to use only products marked as AdBlue or AUS 32, as agricultural urea or other urea types are not pure enough and can damage the SCR system. 
    • AUS 32 International Standards Manufacturers-Everadblu
      Diesel exhaust fluid (commonly known as: aqueous urea solution,AUS 32;called AdBlue in China and Europe, called DEF in the America...
      Guangzhou EverBlue Technology Co.,Ltd.
    • AUS32 Aqueous Urea Solution 32.5% AdBlue 10L to lower diesel ...
      AdBlue consumption is expected to be approximately 4-6% of fuel consumption,depending on vehicle operation, duty cycle,geography, ...
      Guangzhou EverBlue Technology Co.,Ltd.
    • 6 things to know about AdBlue®, DEF, AUS32, ARLA32
      We see this blue cap tank presence increasing on our new vehicles. We refuel when our car, tractor or truck asks us to do so, but ...
      Palamatic Process
    • ADBLUE (AUS32) UREA SOLUTION, DIESEL EXHAUST ...
      Introduction. The automotive urea AdBlue, also known by the generic name Diesel Exhaust Fluid (DEF), is the registered trademark f...
      www.techmation.com
    • 6 things to know about AdBlue®, DEF, AUS32, ARLA32
      5. Is there a difference between agricultural urea, urea for the treatment of plant exhaust and automotive grade AGU? Agricultural...
      Palamatic Process
    • What is AdBlue? AUS 32, a urea solution - LinkedIn
      Jun 23, 2025 — 10mo. AdBlue is a chemical liquid used in many modern diesel vehicles to reduce exhaust emissions (especially nitrogen oxides – NO...
      LinkedIn·Vahid Safavinejad
    • Adblue (urea) diesel fuel additive explained | AutoExpert John ...
      Oct 27, 2017 — the chemical called ADB blue goes into your diesel engine's exhaust and fewer toxic emissions come out that's what it does. but on...
      8:39
      YouTube·Auto Expert John Cadogan
    • Go to product viewer dialog for this item.
      EUROLUB Adblue? Urea
      AdBlue Eurolub Zur Abgasnachbehandlung von Automobil-Dieselmotoren mit SCR-Technologie Hochreine Harnstofflösung für SCR-Abgasnach...
      Google
    • AUS 32 International Standards Manufacturers-Everadblu
      Diesel exhaust fluid (commonly known as: aqueous urea solution,AUS 32;called AdBlue in China and Europe, called DEF in the America...
      Guangzhou EverBlue Technology Co.,Ltd.
    • AUS32 Aqueous Urea Solution 32.5% AdBlue 10L to lower diesel ...
      AdBlue consumption is expected to be approximately 4-6% of fuel consumption,depending on vehicle operation, duty cycle,geography, ...
      Guangzhou EverBlue Technology Co.,Ltd.
    • 6 things to know about AdBlue®, DEF, AUS32, ARLA32
      We see this blue cap tank presence increasing on our new vehicles. We refuel when our car, tractor or truck asks us to do so, but ...
      Palamatic Process
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    My Ad Center

    Web results

    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-...
    Ask about result
    AUS32 is the generic term used for all urea solutions manufactured in accordance with ISO22241. All of these names relate to urea solutions that can be used in ...Read more

    AUS 32 International Standards Manufacturers-Everadblu


    Guangzhou EverBlue Technology Co.,Ltd.
    http://www.everbluesolution.com › blog › aus-32-interna...
    Guangzhou EverBlue Technology Co.,Ltd.
    http://www.everbluesolution.com › blog › aus-32-interna...
    Ask about result
    Aqueous urea solution AUS 32 reduces nitrogen oxide emission from auto exhaust system. The solution is injected to diesel engine exhaust systems.Read more
    People also ask
    What is AUS 32 in AdBlue?
    AdBlue (AUS32) is an essential SCR system. Urea water is a colorless and harmless liquid used in cosmetics, medicines and fertilizers, so no special qualification is required to handle it. AdBlue (Advanced Urea Water) Supplement Needed Every Run.

    AdBlue(AUS32) is essential for next-generation diesel engines


    novax-material.com
    https://www.novax-material.com › uploads › files
    novax-material.com
    https://www.novax-material.com › uploads › files
    Ask about result
    Is urea solution the same as AdBlue?
    AdBlue is made from a urea and water solution, which is stored in a separate tank within the vehicle. The urea contains ammonia which reacts with the NOx gas and prevents it from being released into the atmosphere.Feb 25, 2026

    What is AdBlue? Why does your car need it? | RAC Drive


    RAC
    https://www.rac.co.uk › drive › advice › emissions › adb...
    RAC
    https://www.rac.co.uk › drive › advice › emissions › adb...
    Ask about result
    Can I use pee instead of DEF?
    An error has occurred. Please try again later.
    Is AdBlue the same as DEF?
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    Explain what SCR systems are
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    Web results

    ADBLUE (AUS32) UREA SOLUTION, DIESEL EXHAUST ...


    techmation.com
    https://www.techmation.com › uploads › 2015/10
    techmation.com
    https://www.techmation.com › uploads › 2015/10
    PDF
    Ask about result
    As the name AUS32 suggests, AdBlue is made by using urea mixed with demineralised water resulting in a 32.5 % aqueous urea solution. It is colorless, non-toxic ...Read more
    2 pages

    Automotive Grade Urea Solution Process: AdBlue and DEF


    Vaisala
    https://www.vaisala.com › chemicals-allied-products › a...
    Vaisala
    https://www.vaisala.com › chemicals-allied-products › a...
    Ask about result
    Automotive urea AdBlue, also known as Diesel Exhaust Fluid (DEF), is the registered trademark for AUS32 (aqueous urea solution 32.5%).Read more

    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
    Ask about result
    Apr 14, 2020 — Reliable, robust, and fast QC is also important for manufacturers of AUS 32 wishing to use the AdBlue trade name. None of the elements ...Read more

    DEF | AUS32 | AdBlue | Purchase Diesel Exhaust Fluid


    BuySinopec.com
    https://buysinopec.com › News
    BuySinopec.com
    https://buysinopec.com › News
    Ask about result
    Feb 16, 2016 — It is formulated using high purity urea and water. This product is a 32.5% solution designed for use in diesel engines with SCR technology. That ...Read more
    Free delivery · 7-day returns

    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
    Ask about result
    We're well-known as one of the leading def diesel exhaust fluid/ aus32 automotive urea solution 32.5% manufacturers and suppliers in China.

    What is AdBlue? AUS 32, a urea solution


    LinkedIn · Vahid Safavinejad
    20+ reactions · 10 months ago
    LinkedIn · Vahid Safavinejad
    20+ reactions · 10 months ago
    Ask about result
    AdBlue is a chemical liquid used in many modern diesel vehicles to reduce exhaust emissions (especially nitrogen oxides – NOₓ).

    Adblue Urea Aqueous Solution 200L


    Sinopec Online
    https://sinopeconline.com.au › products › ild-adblue-aqu...
    Sinopec Online
    https://sinopeconline.com.au › products › ild-adblue-aqu...
    Ask about result
    Sinopec Galance Aqueous Urea Solution AUS32 is formulated using high purity urea and water. This product is a 32.5% solution designed for use in diesel ...Read more
    A$632.50 · In stock
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    Web results

    Use of a urea composition to produce diesel exhaust fluid ...


    Google Patents
    https://patents.google.com › patent
    Google Patents
    https://patents.google.com › patent
    Ask about result
    The invention relates to a method for producing an NOx reductant AUS 32 solution (diesel exhaust fluid) comprising at least the mixing of water and a ...
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    ISO 22241 AdBlue
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