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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
    AUS 32 (Aqueous Urea Solution 32.5%) is a high-purity, non-toxic 32.5% urea and 67.5% deionized water mixture used to reduce NOx emissions in diesel vehicles equipped with Selective Catalytic Reduction (SCR) technology. Known as AdBlue® or Diesel Exhaust Fluid (DEF), it is sprayed into the exhaust, converting nitrogen oxides into nitrogen and water vapor. 
    Key Aspects of AUS 32 (AdBlue/DEF): 
    • Composition: 32.5% high-purity urea and 67.5% deionized water.
    • Function: Meets ISO 22241 standards to convert toxic
      NOxcap N cap O sub x
      𝑁𝑂𝑥
      emissions into harmless nitrogen and water.
    • Usage: Used in modern diesel passenger cars, trucks, and heavy-duty vehicles with SCR systems (Euro 5/6 standards).
    • Consumption: Roughly 3–5 liters per 100 liters of diesel fuel consumed.
    • Storage & Handling: Non-flammable, colorless, and safe to handle, though it can decompose at high temperatures. It freezes at
      -11.5∘Cnegative 11.5 raised to the composed with power C
      −11.5∘C
      .
    • Storage Life: Typically 1-2 years depending on storage temperatures. 
    Alternative Names & Standards: 
    • AdBlue®: A registered trademark, common in Europe.
    • DEF (Diesel Exhaust Fluid): Common in North America.
    • ARLA32: Used in South America.
    • ISO 22241: The international quality standard for AUS 32. 
    • AUS 32 Urea Solution SAFETY DATA SHEET
      Feb 16, 2017 — Urea solution is not flammable, however, when heated, urea releases ammonia and when heated to decomposition it emits toxic fumes ...
      Hino Trucks
    • 6 things to know about AdBlue®, DEF, AUS32, ARLA32 | Palamatic Process
      ARLA32 is a generic term for urea solutions used in road vehicles. The term is used in South America. ARLA32 stands for: * **Agent...
      Palamatic Process
    • AUS 32 International Standards Manufacturers-Everadblu
      AUS 32 is a high-purity, transparent liquid that is also known as diesel exhaust fluid (DEF) in the Americas. It is a NOx reducing...
      Guangzhou EverBlue Technology Co.,Ltd.
    • 6 things to know about AdBlue®, DEF, AUS32, ARLA32
      3. We call it AdBlue, DEF (or Diesel Exhaust Fluid - DEF), ARLA32, AUS32 but what is the difference between all these names? * The...
      Palamatic Process
    • High Purity Diesel Engines Additive AdBlue® Urea AUS32 for SCR ...
      The SCR (selective catalytic reduction) catalyst to nitrogen and water, nitrogen oxide (NOx) without formation of unwanted by-prod...
      Guangzhou EverBlue Technology Co.,Ltd.
    • AdBlue® Specifications: ISO 22241 - Crown Oil
      Specifications for ISO 22241 AdBlue® Aqueous urea solution 32.5%, more simply AUS 32 DEF, or AdBlue®, is manufactured to meet ISO ...
      Crown Oil
    • AdBlue ® AUS 32 Urea suitable for EURO 5 / EURO 6 diesel engines
      AdBlue ® AUS 32 Details AdBlue ® AUS 32 is manufactured following the ISO 22241 standard. ISO 22241-1:2006 standard specifies the ...
      Cardiag
    • AdBlue® AUS 32 - Truckdiag
      AdBlue ® AUS 32 Details AdBlue ® AUS 32 is manufactured following the ISO 22241 standard. ISO 22241-1:2006 standard specifies the ...
      Truckdiag
    • Urea For Aus32(999+) - Alibaba.com
      Benefits of Urea for AUS32: Enhancing Diesel Engine Performance and Environmental Sustainability. AUS32 (Aqueous Urea Solution 32.
      Alibaba.com
    • Adblue (urea) diesel fuel additive explained | AutoExpert John ...
      Oct 26, 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
    • AUS 32 Urea Solution SAFETY DATA SHEET
      Feb 16, 2017 — Urea solution is not flammable, however, when heated, urea releases ammonia and when heated to decomposition it emits toxic fumes ...
      Hino Trucks
    • 6 things to know about AdBlue®, DEF, AUS32, ARLA32 | Palamatic Process
      ARLA32 is a generic term for urea solutions used in road vehicles. The term is used in South America. ARLA32 stands for: * **Agent...
      Palamatic Process
    • AUS 32 International Standards Manufacturers-Everadblu
      AUS 32 is a high-purity, transparent liquid that is also known as diesel exhaust fluid (DEF) in the Americas. It is a NOx reducing...
      Guangzhou EverBlue Technology Co.,Ltd.
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    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-...
    AdBlue is composed of 32.5% urea and 67.5% demineralized water. Invented in 1828, Urea is a synthetic product derived from ammonia.Read more
    People also ask
    What is AUS 32 in DEF?
    Veedol Max Shield DEF (AUS 32) is an aqueous urea solution meets the stringent requirements of international quality standards. It is a blend of high purity automotive grade urea and deionized water specially designed for use in vehicles fitted with SCR technology system.Jan 1, 2026

    Max Shield DEF (AUS 32) - Veedol India


    Veedol India
    https://www.veedolindia.com › default › files › assets › pdf
    Veedol India
    https://www.veedolindia.com › default › files › assets › pdf
    Can I use pee instead of DEF?
    An error has occurred. Please try again later.
    What is urea solution 32?
    Diesel exhaust fluid (commonly known as: aqueous urea solution,AUS 32;called AdBlue in China and Europe, called DEF in the Americas, and called ARLA32 in Brazil. AdBlue is a high-purity transparent liquid composed of 32.5% high-purity urea and 67.5% deionized water, with a slight smell of ammonia.

    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...
    How to make 32.5 urea solution?
    o Take 67.5% deionized water in a stainless steel mixing tank. o Heat the water to 40–50°C to help dissolve the urea faster. o Gradually add 32.5% high-purity urea into the heated water while stirring. o Ensure the urea is completely dissolved to form a clear solution. o Maintain a pH of 9.0–10.0 during mixing.

    How to Make AdBlue (Diesel Exhaust Fluid) Using Urea - atdmco.com


    atdmco.com
    https://atdmco.com › wp-content › uploads › 2025/02
    atdmco.com
    https://atdmco.com › wp-content › uploads › 2025/02

    Web results

    DEF | AUS32 | AdBlue | Purchase Diesel Exhaust Fluid


    BuySinopec.com
    https://buysinopec.com › News
    BuySinopec.com
    https://buysinopec.com › News
    Feb 16, 2016 — Diesel Exhaust Fluid is also commonly referred to as: DEF, AUS32, AdBlue. 55-Gallon Drum, Price: / buy in bulk Price: each Free Delivery API ...
    Free delivery · 7-day returns

    AUS 32 Urea Solution SAFETY DATA SHEET


    Hino Trucks
    https://www.hino.com › content_media › raw › s...
    Hino Trucks
    https://www.hino.com › content_media › raw › s...
    PDF
    Feb 16, 2017 — Urea solution is not flammable, however, when heated, urea releases ammonia and when heated to decomposition it emits toxic fumes of nitrogen ...Read more
    5 pages

    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
    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

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


    諾瓦材料
    https://www.novax-material.com › uploads › files
    諾瓦材料
    https://www.novax-material.com › uploads › files
    PDF
    In the urea SCR system, AdBlue (AUS32) is injected into the exhaust gas and consumed in the same way as the fuel, so it is used in a large amount. Its low fuel ...Read more
    3 pages

    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...
    Aqueous urea solution AUS 32 reduces nitrogen oxide emission from auto exhaust system. The solution is injected to diesel engine exhaust systems.Read more

    Aus32 Urea - High Quality Automotive Urea Solutions


    Alibaba.com
    https://www.alibaba.com › ... › Nitrogen Fertilizer
    Alibaba.com
    https://www.alibaba.com › ... › Nitrogen Fertilizer
    This non-toxic, colorless fluid helps reduce harmful nitrogen oxide (NOx) emissions by converting them into harmless nitrogen and water vapor, enabling vehicles ...Read more
    4.4 store rating (344)

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


    Google Patents
    https://patents.google.com › patent
    Google Patents
    https://patents.google.com › patent
    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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    Web results

    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

    ADBLUE®, DEF, AUS32, ARLA32: Understanding Urea ...


    LinkedIn · Zoe Lv
    7 reactions · 2 years ago
    LinkedIn · Zoe Lv
    7 reactions · 2 years ago
    Urea solutions like AdBlue®, DEF (Diesel Exhaust Fluid), AUS32, and ARLA32 play an increasingly important role in various industries.Read more
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