DIN 70070 August 2005 (quality standard) DIN V 70071 June 2005 (analytical standard) Limits for AdBlue as specified within DIN70070, to be superseded by ISO 22241 2008/9, for more …

AUS32 (AdBlue®) Specifications as per DIN70070 Product Properties for AdBlue® Urea 32,5 % - solution in water Min. Max. Urea content 31.8 33.2 % by we Density at 20°C 1.0870 1.0930 g/cm³

DIN 70070 is one of the quality standard of AdBlue which refer to Diesel engines - NOx-Reduction agent AUS 32 - Quality requirements from German-german Institute for Standardization (Called as DE-DIN). It is an odorless, colorless transparent solution synthesized from 32.5% industrial urea and 67.5% deionized water.

DEF has high purity requirements which are defined by the German Institute of Standardization DIN 70700 and the International Organization for Standardization ISO 22241-1. There is also an American Petroleum Institute (API) certification.

for Standardization (DIN 70700) or the International Organization of Standardization (ISO 2224101). This will ensure the proper purity and correct concentration of the urea in the DEF. DEF Tank Sizing And Usage. Equipment using SCR aftertreatment comes with a DEF tank that is sized by the equipment manufacturer.

At present, a distribution network, for the standardized urea-water-solution according to DIN 70700, is established. UWS contains 32.5wt.-% urea and is sold under the brand name AdBlue®.

The requirements for DEF, AUS 32, are set out in ISO Standards 22241:1-4 (formerly DIN 70700). The requirements for marine applications, AUS 40, are specified in ISO Standards 18611-1:2014. As a urea solution, DEF is clear. It is stored and transported in special containers.

in der DIN 70700 geregelt. Diese Normen wurden vom VDA festgelegt, der damit die einheitliche Qualität von AUS32 für den weltweiten Einsatz in Kraftfahrzeugen-Märkten sicherstellen will.

AdBlue® is an NOx-reducing additive, made from urea and distilled water. It is a colourless, clear, slightly pungent, ammonium smelling liquid with 32.5 % nominal urea concentration. The German Automobile Association (VDA) guarantees the high and consistent quality of AdBlue®.

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