AUS32 (AdBlue®) Specifications as per ISO22241

Product Properties for AdBlue® as per the revised ISO22241 standard. All copies of the standards are available to purchase from ISO.org

Urea 32,5 % (approximate) solution dissolved within deionised water. As required by SCR equipped vehicles under the provisions of Emissions standards Euro IV (Euro4), Euro V (Euro5) & Euro VI (Euro6).

  Min Max  
Urea Content 31.8 33.2 % by weight
Density at 20°C 1.0870 1.0930 g/cm³
Refracting Index at 20°C 1.3814 1.3843  
Alkalinity as NH3   0.2 %
Biuret   0.3 %
Aldehyde   5 mg/kg
Insolubles   20 mg/kg
Phosphate (PO4)   0.5 mg/kg
Calcium   0.5 mg/kg
Iron   0.5 mg/kg
Copper   0.2 mg/kg
Zinc   0.2 mg/kg
Chromium   0.2 mg/kg
Nickel   0.2 mg/kg
Aluminium   0.5 mg/kg
Magnesium   0.5 mg/kg
Sodium   0.5 mg/kg
Potassium   0.5 mg/kg
       

Sections:
ISO22241-1 : 2006 (quality standard)
Diesel engines -- NOx reduction agent AUS 32 -- Part 1: Quality requirements

ISO22241-2 : 2006/8 (quality standard)
Diesel engines -- NOx reduction agent AUS 32 -- Part 2: Test methods

ISO22241-3 : 2008 (quality standard)
Diesel engines -- NOx reduction agent AUS 32 -- Part 3: Handling, Transportation & Storage

ISO22241-4 : 2009 (quality standard)
Diesel engines -- NOx reduction agent AUS 32 -- Part 4: Refilling Interface


Revised:
ISO22241-2 revised 2008

 

Limits for AdBlue as specified within ISO 22241, for more information, please visit ISO.org & http://en.wikipedia.org/wiki/AdBlue

AdBlue® is a trademark of the Verband der Automobilindustrie e.V. (VDA). www.vda.de

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